Explosion at Kabul's luxury hotel, casualties unknown

An explosion that reverberated throughout Kabul went off inside the city's centrally located luxury hotel that is frequented by foreigners, police said Monday. It was not clear if the explosion went off inside the hotel or in its large courtyard where the parking lot is located. Police kept journalists and onlookers a far distance from the building. Mohammad Arif, a police officer, said the explosion had gone off inside the Serena Hotel.