Manchester City's Premier League match against Everton scheduled for later this morning has been postponed because of an outbreak of coronavirus at the club.
The latest tests have returned more positive results, in addition to those of Gabriel Jesus, Kyle Walker and two staff members revealed on 25 December.
The City training ground will be closed for an "indeterminate period".
A statement added that after the latest round of COVID-19 testing, the club returned a number of positive cases, in addition to the four already reported on Christmas Day.