Maharashtra Police has launched a search for a person who had threatened to join dreaded terror outfit ISIS if the hanging of 1993 Mumbai serial blast convict Yakub Memon was not stopped. Crime Branch of the state police said, Cyber cell is probing the threat which was posted on Facebook page.

This came to light a couple of days ago, when a social media user informed police about the post on the popular social networking site. Crime branch has traced the Internet Protocol address from where the comment was posted. Yakub Memon, the lone 1993 Mumbai serial blasts convict, was hanged on July 30 at the Nagpur Central jail.