Mohamed Salah is a doubt for Egypt's World Cup last-32 tie with Australia after suffering a hamstring strain.
The injury occurred during Egypt's final group game against Iran on Friday.
What happened?
Mohamed Salah was substituted 12 minutes into the second half of the match.
He felt pain and was taken off as a precaution.
Why it matters for Mohamed Salah
The injury is a blow to Egypt's chances of progressing in the tournament.
Mohamed Salah is the team's captain and star player.
What comes next?
Egypt's team doctor, Dr. Mohamed Aboul Ela, has confirmed the injury and started Mohamed Salah's treatment program.
The team will face Australia in the knockout tie on Friday.
The match against Australia will be Egypt's first World Cup knockout game in their history.
It will take place in Arlington, Texas.
Egypt finished as runners-up in Group G after a 1-1 draw with Iran.
The team's other injured players include Ahmed Fathty, who has a hamstring tear, and Mohamed Abdel Moneim, who has a severe ankle contusion.
Dr. Mohamed Aboul Ela said that Ahmed Fathty is unlikely to be fit for the match against Australia.
Mohamed Abdel Moneim is being prepared for the match.
The Egyptian Football Association released a statement confirming the injuries.
The statement said that Mohamed Salah's treatment program has already begun.
Egypt will be hoping that Mohamed Salah can recover in time for the match against Australia.
The team's chances of winning will be greatly improved if he is able to play.
The match against Australia will be a historic occasion for Egypt.
It will be their first World Cup knockout game, and they will be looking to make a good impression.
Mohamed Salah's injury is a setback for the team, but they will be hoping that he can recover quickly.
The team's doctor and medical staff will be working hard to get him fit for the match.
The World Cup is a prestigious tournament, and Egypt will be looking to make a good impression.
They will be facing a tough opponent in Australia, but they will be hoping to win and progress to the next round.
The match against Australia will take place on Friday.
It will be a big occasion for Egypt, and they will be looking to make the most of it.