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.

Home Secretary Yvette Cooper said agencies "failed to identify the terrible risk and danger to others" that Axel Rudakubana posed - and answers are needed about why.

A teenager has pleaded guilty to murdering three young girls in a “meticulously planned” knife attack at a Taylor Swift-themed dance class in north-west England in July last year.

Britain announced a public inquiry on Monday into the murder of three young girls in a knife attack at a Taylor Swift-themed dance event last year, a crime that ignited days of violent riots.

A teenager accused of killing three girls in a knife attack at a dance class in the UK has pleaded guilty to their murders.