3 US citizens gunned down in Kabul

An Afghan policeman opened fire Thursday on staff at a Kabul hospital run by a US charity, killing three Americans in the latest deadly attack targeting foreign civilians in the city. The gunman was injured in the incident outside the CURE International hospital and detained by police, officials said, adding that the motive behind the shooting was not immediately known. "The attacker was a member of the police in the district," Seddiq Sediqqi, spokesman for the interior ministry, said, according to AFP.