England have confirmed that Ben Chilwell and Mason Mount will remain isolated until Tuesday, June 29, after coming into close contact with Scottish midfielder Billy Gilmour, who has tested positive for COVID-19.Mount and Chilwell were forced into isolation after spending 20 minutes with Chelsea team-mate Gilmour in the tunnel following England's 0-0 draw with Scotland, after which the young Scot tested positive for the virus.The two England stars have since tested themselves negatively, but England have confirmed that public…