Apparently the Afghan Police have arrested about 20 people involved in the riot and murders, including a militant who was the "mastermind" behind it.
http://www.cbc.ca/news/world/story/2...ghanistan.html
http://uk.news.yahoo.com/4/20110401/...n-41f21e0.html
If the Nepalese guards were Ghurkas of the British Army, what will Cameron do and say? After all he was the one saying he wanted to reinforce the military covenant.