British Prime Minister Rishi Sunak said on Friday American XL bully dogs would be banned by the end of the year after a man was killed in another suspected attack on Thursday. The announcement came less than a week after one of the stocky, muscular dogs was involved in an attack on an 11-year-old girl who was walking to the shops with her sister in the English city of Birmingham. Announcing the plan, Sunak said he “shares the nation’s horror” regarding a series of serious dog attacks. “It’s clear this is not about a handful of badly trained dogs, it’s a pattern of behaviour and it cannot go on,” Sunak said in a video message. He said a man was killed on Thursday in central England in an attack involving a suspected XL bully dog. Police said a man had been arrested on suspicion of manslaughter. According to campaign group Bully Watch, which advocates for a ban on selling and breeding large XL bully dogs, the breed was responsible for more than half of all fatal dog attacks in Britain last year.