Clean Bandit's Rather Be is set to become Atlantic's longest-running UK No 1 single in six years as it heads for a third week at the top.

The track featuring Jess Glynne had sold nearly 300,000 copies across its first two weeks and so far this week has added another 70,000 units to that tally to safely put it on course for No 1 again, according to the Official Charts Company.

The last Atlantic single to be at No 1 longer ...