Seamer Gus Atkinson Adds to England's Injury Problems.
'Serious blow' for the English camp after Atkinson leaves the field with a hamstring injury.
The pace bowler further complicated the fitness woes of the England squad when he left the playing area early on day two in the Melbourne Test against Australia.
The pace bowler felt a problem in his hamstring after the final ball in his spell on Saturday.
The England team indicated Atkinson had experienced "tightness" and was to take time off the field to undergo evaluation "over the next few hours".
The series decider of the tour in Sydney gets underway on Sunday, 4 January.
The visitors have been without fast bowlers one seamer with a knee problem and Jofra Archer with an abdominal strain on this Ashes tour.
Matthew Fisher was brought into the squad as cover for Wood.
The seamer had a tough time during the first two matches, claiming a mere three wickets.
He was dropped of the third Test, before being recalled for the Melbourne Test in the playing XI.
Atkinson showed better form in Melbourne, taking two wickets in Australia's first innings, and scoring 28 runs with the bat as one of just three teammates to reach double figures.
Following a brief spell in Australia's second innings, he resumed the next day and had nightwatchman taken by the wicketkeeper.
However, at the end of his spell, he sent down a slower ball to the batsman and immediately felt for his hamstring.
The English bowler was brought back for the Melbourne match following his omission the Adelaide game.
