Mutya Keisha Siobhan have announced their first single.

The group - who comprise of original Sugababes members Mutya Buena, Keisha Buchanan and Siobhan Donaghy - will release the track 'Flatline' as their first song.

The single was written by the band - who are known in shorthand as MKS - and was produced by Dev Hynes.

Revealing the news on Twitter, MKS said:

"Our new single is called 'Flatline'. Written by Mutya Keisha Siobhan and produced by Dev Hynes. Excited for everyone to hear it this month!"

The track will be the group's first release since revealing their formation last year.

As previously reported, MKS will perform at the Brighton Pride festival on August 3.