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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Paul Gunter launched the campaign after discovering that there was no current war memorial for his nephew.
Witnesses who saw the incident said that the man threw the dog in the air a number of times and let her drop to the floor.
Very windy across northern areas this morning. Feeling fresher.