'Black Friday' chaos filmed across UK
28 November 2014 Last updated at 16:57 GMT
Police have been called to supermarkets across the UK amid crowd surges as people hunt for "Black Friday" offers.
Greater Manchester Police appealed for calm after attending seven Tesco shops, at which three men were arrested and a woman was hit by a falling television.
BBC News looked at video footage of shoppers scrambling to get their hand on merchandise across the UK.