Pakistani rescue worker and police officers transport their colleague who was injured in a bomb blast at a local hospital in Karachi, Pakistan Sunday, May 24, 2015. Police say the son of Pakistan’s president has escaped a roadside bomb attack unharmed after the blast killed three people and wounded 15. The attack happened late Sunday in Pakistan’s restive Baluchistan province, long home to a low-intensity insurgency. (AP Photo/Fareed Khan)