A Pakistani paramilitary soldier stands at the site of a bomb blast near a polio vaccination centre in Quetta on January 13, 2016. At least 15 people were killed in a blast apparently targeting police outside a polio vaccination centre in the southwestern Pakistani city of Quetta on January 13, according to officials. AFP PHOTO
QUETTA, Pakistan: A suicide bomber blew himself up outside a polio vaccination centre in the southwestern Pakistani city of Quetta on Wednesday, killing at least 15 people, mainly police, officials said.