Rangers and Celtic are meeting for the final Old Firm derby of the season Extra police are being deployed in efforts to prevent any disorder surrounding the Old Firm clash amid fears of a surge in violent crime.
Rangers host Celtic at Glasgow’s Ibrox stadium, with a win vital for both sides in the SPL title race.
Strathclyde Police are concerned about rising sectarian tensions after a parcel bomb was sent to Celtic boss Neil Lennon.
On Saturday, officers arrested two men in raids over online hate campaigns.
Chief Constable Stephen House has said 1,000 extra officers would be out to guard against a “perfect storm” of alcohol, sun and a bank holiday.
The game is set to kick off at 1230 BST. The force has said arrests and violence tend to increase around the fixture.
Meanwhile, detectives are continuing their hunt for whoever sent parcel bombs to Celtic manager Neil Lennon, Paul McBride QC and former MSP Trish Godman.
Officer have again appealed for information about a couple in their early 20s who were seen in the Ayrshire town of Kilwinning, on the day the most recent explosive device was found in a postbox there.
Two men were arrested and charged with sectarian breach of the peace on Saturday in an operation targeting abusive internet sites and dozens of others are being investigated.
The arrests were made in Paisley and Dalmarnock in the east end of Glasgow. The men are expected to appear at Glasgow Sheriff Court on Tuesday.
This article is from the BBC News website. © British Broadcasting Corporation, The BBC is not responsible for the content of external internet sites.