A British teenager who murdered three young girls at a Taylor Swift-themed dance event was jailed for at least 52 years on Thursday, for an atrocity prosecutors said was so violent it appeared he had tried to decapitate one of the victims.

A British teenager who killed three young girls at a Taylor Swift-themed dance event was jailed for at least 52 years on Thursday, for an attack Prime Minister Keir Starmer called one of the most harrowing moments in Britain's history.

A British teenager on Thursday repeatedly interrupted the start of his sentencing for murdering three young girls at a Taylor Swift-themed dance event last July, shouting from the dock that he was unwell before being removed.

A British teenager on Monday pleaded guilty to charges of murdering three young girls in a knife attack in northern England in July, a crime that horrified the nation and was followed by days of nationwide rioting.