Manchester United midfielder Henrikh Mkhitaryan is a major doubt for next week's derby meeting with Manchester City due to an injury picked up on international duty.
The 27-year-old, who has been used heavily from the bench this term, damaged his thigh during Armenia's friendly against the Czech Republic on Wednesday.
Following a scan undertaken on Friday, the Armenian FA has now revealed that the results are "not encouraging", with Mkhitaryan likely to miss around 10 days while the injury heals.
"As reported, senior national team captain Henrikh Mkhitaryan received an injury against Czech Republic and as a result was unable to continue the match," the statement read.
"Mkhitaryan has had a medical examination in a clinic in Mlada Boleslav. Unfortunately, the results are not encouraging. Mkhitaryan was found to have an injury in the lower third of the left thigh muscle.
"Such injuries usually require a week to 10 days to heal, which means that Mkhitaryan will miss the Denmark-Armenia match on September 4."
Mkhitaryan, who has played an hour of football for the Red Devils so far this season, will now return to the club's Carrington training base.
