A roadside bomb tore through a Nato vehicle in Afghanistan, killing six Canadian soldiers and their Afghan interpreter, officials said.

A roadside bomb hit a Nato vehicle in southern Afghanistan, killing six soldiers and their Afghan interpreter, Nato said in a statement.

Militants battled Afghan and US-led coalition troops in three separate clashes in southern Afghanistan, leaving 20 militants and one policemen dead.

Afghan security forces clashed with suspected Taliban insurgents in southern Afghanistan, and a subsequent airstrike killed 35 militants.