An Afghan policewoman has shot dead a US adviser in the compound of the Chief of Police in the capital, Kabul.
Mohammad Zahir, Head of the Police Criminal Investigation Department, described the incident as an "insider attack" in which Afghan forces turn their weapons on Western troops they are supposed to be working with.
More top news
Springwatch presenter Chris Packham describes his battle with depression as "great, hopeless vacuum".
A newly promoted police officer caused a sensation with local women on Facebook
Ex-London mayor Ken Livingstone says he is sorry for the "disruption" caused by his comments that Adolf Hitler was a supporter of Zionism.