Fast bowler Gus Atkinson Compounds the English team's Fitness Concerns.
'Major setback' for the touring side after Atkinson is forced off with a hamstring injury.
The pace bowler added to the injury concerns plaguing England after leaving the playing area during Saturday's play in the Melbourne Test versus the Australians.
The right-arm seamer felt a problem in his left hamstring post-delivery in his spell during the morning session.
Team management stated the 27-year-old had experienced "tightness" and was to take time away from the action for further assessment "over the next few hours".
The concluding match of the series beginning on 4 January begins at the end of the week.
The English side has previously lost fast bowlers Mark Wood with a knee problem and another paceman because of a side injury on this Ashes tour.
Matthew Fisher was called up to provide backup.
The seamer had a tough time in the opening two Tests, claiming a mere three wickets.
He was dropped of the third Test, only to be brought back for the Boxing Day match in the playing XI.
The county bowler showed better form in Melbourne, taking two wickets during the host's first knock, and scoring 28 runs with the bat as one of just three English batsmen who passed ten runs.
Following a brief spell late on the first day, he resumed on Saturday morning and removed Scott Boland Scott Boland caught behind.
Unfortunately, at the end of that over, he delivered a variation to Travis Head and immediately felt for his hamstring.
The English bowler was recalled for the Melbourne match following his omission the previous Test.
