The Ministry of Defence has confirmed three British NATO soldiers serving with the 1st Battalion Welsh Guards and one serving with the Royal Corps of Signals, have been killed while mentoring police in Afghanistan.

The gunman was reported to be dressed in an Afghan police uniform when he shot at the soldiers at Check Point Kamparack Pul in Nahr-e-Saraj, Helmand Province, Afghanistan.

The gunman was later injured and detained, according to Nato. He is believed to be a member of the elite Afghan National Civil Order Police force (ANCOP). The family members of those killed in the attack have been informed.The attack comes nearly two weeks after three men in Afghan police uniforms killed a soldier with the US-led force, also in the south.

NATO has around 130,000 soldiers fighting alongside some 350,000 Afghan security personnel against the Taliban-led insurgency, but they are due to pull out of the country in 2014.

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