A bomb exploded during evening prayers at a park in southern Pakistan on Tuesday, killing at least 32 people and injuring dozens, witnesses and a doctor said. The bomb went off while hundreds of people were saying prayers during a celebration of the anniversary of Prophet Muhammad’s birth, said Mohammed Asif, a witness. Semi Jamali, a doctor at a Karachi hospital, said at least 20 people killed in the blast were brought to the facility, and that dozens of others were being treated for injuries. Full Story