[Dawn] A blast destroyed the top floor of a hotel building in the Pak capital Islamabad, injuring at least six people late Thursday, police officials said.City police chief Bani Amin said the cause of the blast "appears to be a gas cylinder" as gas was still leaking at the Citi Hotel in the Blue Area, a normally bustling district of shops and restaurants.
Another police official at the scene told AFP at least six people were maimed.