Black Friday has landed in the UK and the sales event is creating mayhem.On Friday morning, as retail outlets opened their doors at 8am, the police had already been called to more than 10 supermarkets across the country.Asda is one retailer experiencing hectic shop floors. A spokeswoman told Business Insider that it sold more than 10,000 tablets in the first two hours of trading and as of 1pm had more than two million customers.At an ASDA in Wembley, London, images even surfaced of a shopper who had been "knocked to the ground".'We do not condone the behaviour of a very small number of people in our Wembley store this morning. Despite our extensive planning and additional security colleagues there was an isolated incident this morning when the store opened. The sale has run smoothly in all our other 440 participating stores,' ASDA told Business Insider.Tesco is also encountering frenzied customers.At a branch in London, seven police cars and two ambulances were called after scuffles broke out on Thursday night.The Guardian says the store had to close because of the commotion.A spokesperson told Business Insider: "In the interest of customer safety a small number of these stores contacted police last night to help control crowds safely and stores are now trading normally. We always take guidance from police authorities on security measures in stores and we'll work closely with them to make any improvements for next year.'In Manchester, officers had to make two arrests as shoppers competed to bag the best bargains.At least two people arrested at #BlackFriday sales events already this morning. Keep calm people!' G M Police (@gmpolice) November 28, 2014Here's a group of police officers try to restore order as shoppers panic:A dozen police inside now. Sale of TVs suspended. pic.twitter.com/SDmpSXnwop' RupertNeate (@RupertNeate) November 28, 2014People can be seen flooding into shops, arguing over TV purchases, and pushing past queues to grab discounts:#BlackFriday shoppers scrapping over cheap TVs. Wow. http://t.co/tVuBQNhkyy pic.twitter.com/BiHi0eDzhP' LBC (@LBC) November 28, 2014Some people are prepared to wait for hours and fight each other to get their hands on cheap offers:10 mins to go. Queuing round the building pic.twitter.com/jd17JNpWcL' Bryan Roberts (@BryanRoberts72) November 28, 2014The likes of Good Morning Britain, Rupert Neate, and Kadhim Shubber have been posting Vines. Some videos are quite shocking:The BBC's Zoe Conway tweeted this photo from the melee at ASDA in Wembley:Customers knocked to the ground in the rush at Asda Wembley #BlackFriday @BBCr4today @BBCNews pic.twitter.com/7TXZVCfBFH' zoe conway (@zoeconway1) November 28, 2014This Vine by Ben Phillips sums the situation up well:A video on YouTube, posted by DeanCoombesAnfield, even captures two women fighting over underwear:The queues for Black Friday deals started in the early hours of Friday morning. Although it was first introduced by Amazon and ASDA in 2010, this year it's proving more popular and has been taken on by more companies.The frantic buying is due to many UK retailers offering astounding deals. Sainsbury's, which is taking part for the first time, has got massive reductions and Tesco has cut prices by up to 70%.5 police cars at hattersely tesco because someone ran off with two tellies and started a riot over a kindle '' Shaunna (@Shaunna_OB) November 28, 2014Bradford is reacting remarkably to it all: (function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = "//connect.facebook.net/en_GB/all.js#xfbml=1"; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));Post by Hannah-Marie Jackson.Online, a host of retailers started selling on Thursday night, which led to a lot of websitesexperiencing unmanageable volumes of traffic and crashing.Here's the Curry's website before midnight:And here's the Tesco site on Friday morning:On a positive note, ASDA has got Black Friday cheerleaders:We'll update this post throughout the day.Join the conversation about this story
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