Nato troops killed in Afghanistan

The death toll among foreign troops is rising

Six foreign soldiers have been killed in an attack in southern Afghanistan, the Nato-led International Security Assistance Force (Isaf) says.

The incident happened on Sunday, Isaf said in a statement.

The alliance gave no further details about the attack, or the nationality of the soldiers killed.

The death toll is the highest for foreign soldiers in a single incident since six were shot dead by a renegade border policeman on 29 November.

Fighting has intensified in the south of the country as US troops have tried to push Taliban militants out of their strongholds in Helmand and Kandahar provinces.

More than 670 international soldiers have been killed in Afghanistan so far this year, well above the 502 killed in the whole of 2009.

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