Today's Official Charts Midweek Sales Flash is in.

In the Singles Chart, Shawn Mendes and Sigala break up the Justin Bieber trio of tracks that made history last week. While Love Yourself and Sorry remain No.1 and No.2 (on sales of 29,295 and 22,412, respectively), Stitches by Shawn Mendes climbs 4-3 with sales of 22,367 - and could conceivably overtake Sorry by Friday, since there are only 45 copies between the two tracks. Sigala's Sweet Lovin' feat. Bryn Christopher sits at ...