Sandy Hook survivors call for gun control as they graduate high school

Newtown students declare time for change' more than 11 years after one of the deadliest US school shootings

Students who survived one of the deadliest school mass shootings in US history are graduating high school on Wednesday, as many call for more action on gun control.

Emotions were running high at Newtown high school in Connecticut on Wednesday, more than 11 years after a former student entered Sandy Hook elementary school in 2012 with guns and killed small children, teachers and staff in a massacre that shook the nation.