MailOnline looks at the key questions ahead of new rules coming into force on December 31 making it illegal to breed, sell, advertise, exchange, gift, rehome, abandon or allow XL Bully dogs to go stray.
Mr Langley s friend of 20 years, Michael Kennedy, today said he was heartbroken by his death in Sunderland. He added that he weighed just 8st and seemed malnourished .
This is believed to be the XL Bully that mauled a dog owner to death while he was trying to protect his pup from the crazed animal which has allegedly attacked at least two dogs previously,
Pictured: XL Bully which mauled dog walker in Sunderland to death dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.