The Afghan policewoman approached the US adviser as he was walking in the heavily guarded police chief's compound in the capital. She then drew a pistol and shot him once, a senior police official told Reuters.
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A 14-year-old boy has been charged after a man was shot dead and three people were injured in a shooting at a US primary school.
Sunshine with blustery showers and longer downpours
The founder of a free school and two ex-staff members have been jailed for defrauding the Department for Education of thousands of pounds.