Gunmen kill 2 cops during polio vaccination drive in Pakistan's Balochistan

Gunmen shot dead two police officers protecting polio vaccination workers in Pakistan's southwestern Balochistan province on Tuesday. The officials said that the attack took place as health teams carried out a door-to-door campaign targeting more than 31 million children.The gunmen opened fire when Nushki district, polio workers were administering oral vaccine drops to children inside a home.