Robin Thicke's Blurred Lines has smashed through half a million UK sales in under three weeks as it heads for another week at No 1.

The Interscope/Polydor track featuring TI and Pharrell Williams had sold another 135,883 copies this week up to the end of business on Thursday, taking its cumulative UK tally up to 527,105 units, according to the Official Charts Company. This makes it the fastest-selling single of 2013 and already makes it one of the five biggest-selling ...