Pakistan, Jan 31 (ANI): At least 60 people have been killed and 60 others injured in a blast inside a Pakistani mosque in Shikarpur district of Sindh province on Friday. Anxious relatives were seen beating their heads in grief as dozens of victims were taken for treatment, many with severe wounds. The explosion ripped through a crowded Shi'ite mosque in Shikarpur, a dusty town in the southern Sindh province. Attacks against religious minority groups have been on the rise in Pakistan, where radical Sunni Islamist groups often target mosques frequented by Shi'ites, whom they see as infidels. Jundullah, a splinter group of Pakistan's Taliban, which last year pledged support for the Islamic State militants has claimed responsibility.