Olly Murs is on course to achieve the highest first-week singles sales of his career as Troublemaker heads to the top of the UK chart this weekend.

The newly-issued Epic single featuring Flo Rida had sold 98,759 units by the end of business on Thursday, according to the Offcicial Charts Company. With two days of trading still to go, that is already more copies than his No 1s Please Don't Let Me Go (93,239) and Dance With Me Tonight (74,475) ...