Peshawar , Pakistan ( CNN ) At least 48 people were killed and dozens others injured Friday in what authorities said was a bombing at a Shiite Muslim mosque in southern Pakistan , according to a local hospital . The attack took place just before Friday prayers started in the city of Shikarpur in Sindh province , said Sharjeel Mamon , the city 's information minister . Fifty people were injured , said to Shaukat Ali Memon , superintendent of the Civil Hospital in Shikarpur . The militant group Jundallah claimed responsibility for the attack , the group 's spokesman Ahmad Marwat said in a statement . Pakistan is a majority Sunni Muslim country . Shiites make up about 10 % to 15 % of the country 's population , according to the CIA World Factbook . Prime Minister Muhammad Nawaz Sharif strongly condemned the killings and vowed to fight terrorism .
At least 50 people wounded in bombing of a Shiite mosque . The attack occurs just before Friday prayers .