Blast at Pakistan Shiite Mosque Kills 16 ISLAMABAD, Pakistan - A suicide attacker detonated a huge bomb inside a crowded Shiite Muslim mosque in an eastern Pakistani city during Friday prayers, killing at least 16 people and wounding dozens, officials said.    Police said that hundreds of people were inside the Zainabia mosque in the city of Sialkot at the time of the blast, which severely damaged walls and left body parts scattered inside...