From March 10 a programme entitled The Official Chart Update will go out on the Greg James show between 3.30pm and 4pm every Wednesday using information drawn from midweek sales flashes for singles and albums.

It is intended as a "teaser" for the station's main Sunday chart show, which airs between 4pm and 7pm, with James outlining the biggest chart stories of the week and counting down either a top 10 or top 20 of singles and albums flashes.

"This ...