Explosion kills many Shiites in Pakistan, police say From Nasir Habib, for CNN January 15, 2012 -- Updated 1138 GMT (1938 HKT) At least 14 people are killed, police say They do not yet know the cause of the blast Islamabad, Pakistan (CNN) -- At least 14 people were killed and 20 injured in a blast in the Pakistani town of Khan Pur, a police official said Sunday. The dead were Shiite Muslims marking the holy day of Chehlum, the 40th day after the anniversary of the death of Hussain, the grandson of the prophet Mohammed. Police are investigating the cause of the blast, said Sohail Chatta, the police official. The town is in central Pakistan, in the district of Rahim Yar Khan in Southern Punjab Province.