The two men were shot by two men wearing Afghan police uniforms.
The inquest heard an intelligence report that said "insider threat" was difficult to detect. Insurgents and the Taliban used this kind of attack as a tactic and there had been no increase in this kind of threat.
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Another largely dry and bright day with plenty of winter sunshine.
The morning will be cold and windy with bright spells, but also some isolated showers, most likely across Derbyshire.
A pedestrian in his eighties had to be airlifted to hospital after being hit by a lorry in Brownhills this morning.