Man stabbed to death in front of son after row broke out on a bus

Police have launched a murder probe after a 40-year-old man was stabbed to death while trying to protect his teenage son. The victim was knifed at Grill King takeaway's entrance in Willesden Green after a row broke out on a bus on High Road on Thursday. Two boys, including the victim's son, attempted to separate them before the attacker fled.