Great Yarmouth four quizzed over Hemsby 21st party death
12 May 2014 Last updated at 14:24 BST
Four teenagers are being questioned by police over the death of a 20-year-old man at a 21st birthday party in Norfolk.
Connor Barrett was fatally injured in the back and chest after several people, believed to be gatecrashers, went into a chalet in The Glebe at Hemsby on Saturday night.
Four males were arrested and are being questioned on suspicion of murder.