Police called to 'Black Friday' supermarket crowds
Police have been called to more than 10 UK supermarkets amid crowd surges as people hunt for "Black Friday" offers.
Greater Manchester Police appealed for calm after attending five Tesco stores, making "at least two" arrests, and a Trafford store was closed shortly after the sale began at 00:01 GMT on Friday.
A Tesco shop in Trafford, Greater Manchester, closed shortly after footage was filmed showing disruption as people queued.
Dominic Laurie reports.