Mason Greenwood of Manchester United has been arrested on suspicion of rape and assault.

United have announced that Greenwood, 20, will not play or train while police and the club work to establish the full circumstances around images and an audio file that circulated on social media on Sunday.

A Greater Manchester Police statement said: "Greater Manchester Police were made aware earlier today (Sunday 30 January) of online social media images and videos posted by a woman reporting incidents of physical violence. An investigation was launched and following enquiries we can confirm a man in his 20s has since been arrested on suspicion of rape and assault. He remains in custody for questioning. Enquiries are ongoing."

A statement issued by United read: "Mason Greenwood will not return to training or play matches until further notice."

Liverpool, Tottenham Hotspur and Manchester United are competing to sign Luis Diaz of Porto.

Liverpool had been prepared to pay Porto's £50 million valuation of the 25-year-old.

But Porto is now ready to offload Diaz at a reduced fee of £37m plus an additional £12.5m in performance-related installments. 

Liverpool are now considered the frontrunners to sign Diaz. 

Arsenal are attempting to sign a striker before Monday's transfer deadline.

Arsenal attempted to sign Susan Vlahovic from Fiorentina but he is now on the verge of going to Juventus.

Mikel Arteta ideally wants to strengthen in attack this month with Pierre-Emerick Aubameyang ostracised after being stripped of the captaincy following a series of disciplinary issues, while Alexandre Lacazetteand Eddie Nketiah are both likely to leave the club when their contracts expire at the end of the season.

Arsenal have been told they will have to pay Alexander Isak's €90 million release clause if they want to sign the Real Sociedad striker now.

Lille's Jonathan David is another player under consideration but the Ligue 1 club want to wait until the summer to sell him. 

Newcastle are close to signing Bruno Guimaraes from Lyon for $45 million.

Other clubs, including Arsenal and Juventus, had hoped to buy Guimaraes at the end of the season but Newcastle have got in ahead of them.

Fiorentina are prepared to accept a €75 million ($85 million) bid from Juventus to sign Dusan Vlahovic.

Vlahovic is a 23-year-old striker who has scored 17 goals in 21 matches this season.

Vlahovic also received interest from Manchester City and Arsenal.

Juventus are now working on contract terms with Vlahovic. 

Newcastle could turn to Dele Alli of Tottenham Hotspur if they're unable to reach a loan deal with Manchester United on a loan for Jesse Lingard.

Alli has fallen out of favor under Antonio Conte at Spurs. Alli’s career has stalled in the past two years and his days at Spurs look numbered. 

Manchester United has agreed to loan Anthony Martial to Sevilla for the rest of the season.

Sevilla will pay a €6 million fee while also covering his remaining salary.

Martial received interest from a number of other clubs, including Tottenham and Newcastle, but Sevilla were his first choice.

Watford are in advanced talks to hire Roy Hodgson as manager to replace Claudio Ranieri.

Hodgson retired at the end of last season after a successful spell at Crystal Palace but is ready to return to work

Everton are due to hold talks with the former Fenerbahce and Porto manager Vitor Pereira on Monday as they continue their search for a permanent successor to Rafael Benítez.

Everton has twice considered hiring Pereira.

Roberto Martínez was their first choice but the Royal Belgian Football Association rejected a proposal for the Spaniard to combine his role with managing the Premier League club.

Manchester City are close so signing Julian Alvarez from River Plate.

AC Milan has also had strong interest in signing Alvarez.

Sources have told ESPN the overall cost of the transfer could be less than £20 million.

Until he is ready to move to England, City will consider loaning him back to River Plate or arranging another loan elsewhere.