UN launches investigation into Afghanistan murders
Eyewitnesses said armed Afghan riot police watched passively as a mob overran the compound.
Seven UN employees were killed, including four Gurkha guards and three international officials. One police chief said two of the victims had been beheaded, while other reports said some had had their throats slit with knives or been shot in the head.
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The police appear to be part of the mob. They do fire into the air but it seems more as part of the celebration rather than warning shots.