Britain is to expand its military training mission in Iraq in the coming weeks, Prime Minister David Cameron announced on Sunday, saying the Iraqi army needed more help to deal with improvised bombs planted by Islamic State militants.

Cameron, speaking before a meeting of the Group of Seven industrial nations (G7), said Britain would send 125 new military advisers to Iraq, most of whom would train the Iraqi army in how to counter improvised explosive devices or IEDs.

That will take the total number of British military trainers in Iraq up to 275, officials said, and the overall number of British personnel engaged in various roles against Islamic State across the region up to around 900. […]