Increasing its combined sales for the eight week in a row, Despacito extends its lead at the top of the singles chart.

On its fourth week at the summit, the track - originally by Puerto Rican pair Luis Fonsi and Daddy Yankee but given impetus by the remix featuring a vocal assist from Justin Bieber - racked up 58,596 paid-for sales and 70,660 from sales-equivalent streams last week, both personal bests which provide a grand total of 129,256 sales, the ...