In Washington, US State Department spokesperson, Heather Nauert said these attacks are cowardly attempts to deprive people of Pakistan from their democratic rights.
The spokesperson said Washington will continue to stand with the people of Pakistan in their fight against terrorism.
Saudi Arabia has also strongly condemned suicide attacks in Mastung and Bannu.
Ministry of Foreign Affairs reiterated Kingdom stance and solidarity with Islamic Republic of Pakistan against terrorism and extremism.
Meanwhile, Organization of Islamic Cooperation, Secretary General Yousef bin Ahmad Al-Othaimeen strongly condemned the Mastung bomb blast in a political rally.
He also expressed deep grief and sorrow with the victims of the attack.
United States has strongly condemned suicide attacks on political candidates and their supporters in Balochistan and Khyber Pakhtunkhwa provinces.
