The attacks claimed by the separatist Baloch Liberation Army have killed 6 people in east of Quetta, Balochistan's provincial capital, on Friday.
At least 14 people, including six military personnel, have been killed in a suicide attack in Pakistan's Rawalpindi city, police say.
Pakistan's ex-military ruler Pervez Musharraf has been indicted on three counts over the murder of opposition leader Benazir Bhutto who died in a gun and suicide attack in December 2007.
Pakistan's former president Pervez Musharraf has been granted bail in the case against him for alleged involvement in the murder of former Prime Minister Benazir Bhutto.