The mass stabbing in Southport, England, and misinformation about the attacker sparked days of rioting across the U.K.

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.

LONDON — A British teen pleaded guilty Monday to murdering three girls and attempting to kill 10 other people in what a prosecutor said was a “meticulously planned” stabbing rampage at a Taylor Swift-themed dance class in England last summer.

Axel Rudakubana, 18, also pleaded guilty to 10 counts of attempted murder following the attack in summer last year