The killing of three girls at a summer dance class in England a year ago Tuesday, by a teenager misidentified as a migrant, triggered days of street violence directed at newcomers and minorities.

British lawmakers say outdated laws unfit for the social media age hampered police from countering false claims that helped fuel anti-immigrant violence in Britain last summer.

A teenager who stabbed three young girls to death at a Taylor Swift-themed dance class in England has been sentenced to more than 50 years in prison.

A teen has pleaded guilty to murdering three girls and wounding 10 other people in a stabbing rampage at a Taylor Swift-themed dance class in England last summer.