'I shot a man who was one and a half miles away and it took six seconds to learn if I hit him': British sniper recalls his record-breaking effort in Afghanistan

A record-breaking British Army sniper who killed Taliban insurgents from more than a mile and a half away has revealed it took six seconds to find out if his hit was successful.

In November 2009 Sergeant Craig Harrison, 40, recorded the longest confirmed kill ever made when he shot two militant assassins from a range of 2,475 metres - more than 900 metres beyond his rifle's effective range.

The sniper made history with the shots he fired in Musa Qala, Helmand Province, Afghanistan, but in his memoir he revealed how he was driven to the brink of suicide by his job.

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