Ed Sheeran's Rudimental hook-up 'Bloodstream' is leading the race for Sunday's Official UK Singles Chart No.1.

Climbing 25 places this week,with just 3,000 copies between them and Jess Glynne's 'Hold My Hand' - currently at No.2 -the titlecould be anyone's.

If 'Bloodstream' nabs the top spot it'll mark Ed's third UK No.1 after 'Sing' and 'Thinking Out Loud' topped the charts last year and it'dalso be Rudimental's third chart-topper after 'Feel The Love' and 'Waiting All Night'.

Elsewhere in today's Official Chart Update James Bay falls one place to No.3 with 'Hold Back The River', as does Years & Years' 'King' which sits at No.4.

Falling one spotto No.5 is Rihanna's 'FourFiveSeconds' while Mark Ronson's 'Uptown Funk' starts climbing again, this week up two to No.6.

Up two at No.7 are Maroon 5 with 'Sugar' and, following her performance on 'The Voice' over the weekend,leaping 15 places to No.8 is Sia with 'Elastic Heart'.

Rounding off the Top 10, Ellie Goulding's 'Love Me Like You Do' slips to No.9 and Hozier's 'Take Me To Church' falls toNo.10.

Find out who grabs the No.1 this Sunday by following @MTVMusicUK on Twitter.

'Chart information © Official Charts Company 2015.'