<sod >Police in Pakistan say a large bomb has exploded at a protest rally in the city of Lahore, killing at least 11ÃÂ people and injuring 40.ÃÂ  The blast struck outside the Punjab Assembly, withÃÂ police officers and journalists covering the march among the casualties.< eod>< sod > Police in Pakistan say a suicide attacker has detonated a large bomb at a protest rally in the city of Lahore, killing at least 11 people and injuring 60.ÃÂ  The blast struck outside the Punjab Assembly, with police officers and journalists covering the march among the casualties.< eod>