A blast ripped through a gathering to celebrate the birthday of Islam's Prophet Muhammad in southwestern Baluchistan province, killing several and injuring more than two dozen people.
At least 52 people were killed and dozens more injured in a suicide bombing attack outside a mosque in Mastung, a district in Balochistan province, Pakistan, police said.
Friday's attack came as a large crowd had gathered outside the mosque to celebrate the birthday of the Prophet Muhammad.
Some people were in critical condition and a senior police officer was also among the dead, government administrator Attah Ullah said.
President Arif Alvi condemned the attack and asked authorities to assist the wounded and the victims' families.
In a separate incident in neighboring Khyber Pakhtunkhwa province, at least five people were killed when two explosions at a mosque.
Islamist militants have attacked both provinces that border Afghanistan in recent years. These militants aim to overthrow Pakistan's government and impose strict Islamic law.