How to beat 'Black Friday' - both here and in the US
This Friday is Black Friday in the States, the day after Thanksgiving, which marks the traditional start to the Christmas shopping season with massive discounts to lure shoppers. Most years it turns nasty, though. In 2011 it was marred by shootings and pepper-sprayings (one started over a tussle for a waffle iron) as bargain-hunters stampeded into stores across America.