Quetta , Pakistan ( CNN ) -- A suicide bombing tore through the funeral of a police official in the Pakistani city of Quetta Thursday , killing 30 people -- as well as the bomber -- and wounding at least 40 others , said Quetta Police Inspector Gen. Mushtaq Sukhera . The blast happened as people lined up for a funeral procession at a mosque , Quetta Police Chief Mir Zubair Mehmood said . Most of the victims were policemen , he said . Many of the wounded were taken to Quetta 's Combined Military Hospital . Doctors there said more than 30 security officials were among the injured , and that 12 people were critically injured . Three children among 7 killed in Pakistan blast , police say . The police official for whom the funeral was held had been shot dead earlier Thursday , the state-run Associated Press of Pakistan reported . Prime Minister Nawaz Sharif and outgoing President Asif Ali Zardari condemned the bombing in a statement , the APP reported . Pakistani artists challenging YouTube ban . Journalist Nasir Habib in Islamabad , Pakistan , and CNN 's Aliza Kassim in Atlanta contributed to this report .
Report : Blast happened at funeral of police official who was killed earlier that day . At least 40 people wounded ; about half were policemen , official says . Explosion came as people lined up for funeral procession at mosque in Quetta , official says .