Transport Secretary Philip Hammond warns of disruption ahead
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Hundreds of passengers face UK flight cancellations because of drifting ash from an Icelandic volcanic eruption.
BA, KLM, Aer Lingus and Easyjet are among the airlines that have suspended services in and out of Scotland for the coming hours.
But Ryanair has objected to an order from Irish officials to ground its morning flights to and from Edinburgh, Glasgow and Aberdeen on safety grounds.
It said it would be complaining about the “unnecessary cancellations”.
A statement on Ryanair’s website read: “Ryanair strongly object to this decision and believe that there is no basis for these flight cancellations and will be meeting with the [Irish Aviation Authority] on Tuesday morning to have this restriction on Ryanair flights removed as a matter of urgency.”
The cancellations come just over a year after another volcanic eruption in Iceland caused widespread disruption across Europe, including the closure of UK airspace.
The transport secretary said the UK was “better” prepared than it had been last year.
Philip Hammond told BBC Two’s Newsnight there were now “much more robust systems” in place to “minimise the disruptive effect” and there was now a better understanding of the risk from ash clouds.
But he added travellers had got to learn to live with such disruption caused by volcanic activity in Iceland following an “unusually quiet period” in the last 20 years.
He added: “What we can’t promise is that there won’t be disruption when there is a major natural event like this.”
The Grimsvotn volcano in Vatnajokull National Park began erupting on Saturday.
Iceland’s airspace has been closed for a period as a result but experts say this eruption is on a different scale to the one last year and ash particles are larger and, as a result, fall to the ground more quickly.
However, the threat of disruption saw US President Barack Obama arrive in the UK from the Republic of Ireland on Monday night, a day ahead of his scheduled arrival for his state visit.
A number of airlines are choosing not to fly through Scottish airspace on Tuesday:
British Airways is not operating any flights between London and Scotland until 1400 BSTKLM cancelled flights to and from Aberdeen, Glasgow and Edinburgh, as well as some to NewcastleEasyJet cancelled flights to and from Edinburgh, Glasgow, Inverness and Aberdeen scheduled for between 0500 and 0900 BSTRyanair said it has been advised by the Irish Aviation Authority not to operate flights from Glasgow Prestwick, Edinburgh or Aberdeen until at least 1300 BST but believed that “there is no basis for these flight cancellations”Flybe cancelled flights to and from Aberdeen and InvernessGlasgow-based Loganair has cancelled 36 flights. Only inter-island routes in Orkney are unaffectedEastern Airways will not be operating any services in or out of Scottish airspace
Since last year, the Civil Aviation Authority (CAA) has graded ash levels as low, medium or high, and airlines are notified if levels reach medium or high.
All British aircraft can fly in medium-density ash but the airlines need to consider whether to fly, according to risk assessments.
A CAA spokesman said the current cloud could “potentially” cause serious disruption as charts showed that the density levels were higher than medium below 35,000ft.
But he said procedures were “totally different” compared with last year.
He added: “If an airline has done a risk assessment as to how it will fly safely in medium or high ash levels, and has liaised with aircraft manufacturers and engine makers, then they will be able to fly if the CAA considers it acceptable.
“No UK airline has applied to fly in high-density ash, but a number have applied for, and been given, permission for flying in medium ash.”
The Met Office says changing wind patterns make it hard to predict whether the ash cloud will spread because weather systems are changing so rapidly.
It forecast that the plume could hit parts of Scotland between 0100 and 0700 BST before moving on to Northern Ireland and other northern areas of the UK later in the day.
During last April’s six-day shutdown only a handful of flights took off or landed in the UK.
Thousands of Britons found themselves stranded overseas, forcing many to make long and expensive journeys home by land. Airlines estimated the shutdown cost them $1.7bn (£1.1bn).
The Foreign Office is advising passengers to remain in regular contact with their travel agent or airline for the latest news on the status of flights and bookings.
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The US president and his wife arrived at Stansted a day ahead of schedule
The US-UK partnership is “an essential relationship for us and for the world”, the countries’ leaders have said ahead of the US president’s visit to Britain.
Barack Obama is to meet the Queen at Buckingham Palace later at the start of his packed, three-day state visit.
He will meet Prime Minister David Cameron for talks on Wednesday likely to focus on Libya and the Middle East.
Mr Obama arrived in the UK a day ahead of schedule on Monday, to avoid any disruption from a volcanic ash cloud.
He flew into Stansted, in Essex, with wife Michelle after leaving the Republic of Ireland, where his week-long tour of Europe began.
The couple will receive a ceremonial welcome later, before visiting Westminster Abbey and Downing Street.
In a joint article in the Times, Mr Obama and Mr Cameron said of their countries’ relationship: “Ours is not just a special relationship, it is an essential relationship – for us and for the world.
“When the United States and Britain stand together, our people and people around the world can become more secure and more prosperous.
“The reason it thrives is because it advances our common interests and shared values. It is a perfect alignment of what we both need and what we both believe.”
Analysis
Whenever a US president comes here there is always a slightly tortuous debate on whether or not the relationship is still special or not.
Both sides have decided the best way of avoiding that debate is to come up with a new wording entirely. They have a new adjective. It is now an essential relationship.
In a joint article for the Times newspaper, the prime minister and the president say the relationship between their countries was based originally on what they called emotional connections, sentiment and the ties of people and culture but now it thrives on common interests and shared values.
So what they are trying to focus on here now is more business-like pragmatism rather than any idea of appealing to the mythology of past historic links.
They also vowed not to abandon the protesters fighting for democracy in Arab countries, writing that they would “stand with those who want to bring light into dark, support those who seek freedom in place of repression, aid those laying the building blocks of democracy.
“We will not stand by as their aspirations get crushed in a hail of bombs, bullets and mortar fire,” said the two leaders.
“We are reluctant to use force, but when our interests and values come together, we know we have a responsibility to act.”
Mr Obama’s week-long tour of Europe began in Dublin on Monday where he delivered an open-air speech to thousands of cheering people, reaffirming US-Irish ties.
Speaking in stilted Gaelic, he told them he was happy to be in the Republic of Ireland.
“Whenever peace is challenged… America will stand by you always in your pursuit of peace,” he said.
The president’s Air Force One jet landed at Stansted airport just after 2215 BST on Monday.
The Prince of Wales and Duchess of Cornwall were originally due to greet the Obamas but because of their early arrival the couple were met instead by the Lord in Waiting, Viscount Brookeborough.
Mr and Mrs Obama will stay at Buckingham Palace on Tuesday but are spending their first night in the UK at Winfield House, the American ambassador’s residence in central London.
Security will be tight during the three-day trip which comes ahead of the G8 summit of world leaders in France.
The state visit to the UK is the 101st to be hosted by the Queen but only the third involving a US president in 100 years. The last US leader to come to the UK on one was George Bush in 2003.
President Obama was given a warm welcome in Dublin at the start of his week-long tour of Europe
The president’s itinerary starts with joining the Duke of Edinburgh to inspect a Guard of Honour in the palace gardens, before a private lunch with the Queen.
The public will get their first chance to see President Obama and the First Lady when they arrive at Westminster Abbey to lay a wreath at the Tomb of the Unknown Warrior.
The couple will then go to Downing Street to meet the prime minister and his wife, Samantha, before returning to Buckingham Palace to meet Labour leader Ed Miliband.
In the evening there will be a state banquet for the Obamas at Buckingham Palace, where they will stay overnight.
On Wednesday, Mr Obama will hold talks with Mr Cameron at Downing Street.
He will be joined later by Michelle for a barbecue at Number 10 with British and American military veterans.
There will be a news conference, before the president departs for the Houses of Parliament, where he will give a speech about US foreign policy to MPs in Westminster Hall.
The day will be rounded off with a return banquet at Winfield House, the official residence of the US ambassador, where the Queen will formally say farewell.
Later this week President Obama will visit Poland and France, where he will attend a meeting of the Group of Eight (G8) major world powers.
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