Gunmen storm Pakistan hospital
Gunmen have attacked a hospital in the western Pakistani city of Quetta, hours after an explosion on a bus killed 14 female university students. Officials say four gunmen were killed during a siege of part of the hospital where the wounded are being treated. Nurses, hospital security personnel and a senior city official were among the 10 others killed in the stand-off. An extremist Sunni militant group, Laskar-e-Jhangvi, told the BBC it carried out both attacks. A man calling himself spokesman for the group said they were a revenge for an earlier raid by security forces against the group in which a woman and children were killed. The latest violence began when a bomb exploded on a bus carrying female students at a university. "It was an improvised explosive device placed in the women university bus," police chief Zubair Mahmood said. Later explosions rocked the medical centre where the students were being treated. Militants armed with grenades were positioned there and exchan