Manchester United have been dealt yet another injury blow after Zlatan Ibrahimovic suffered a knee injury against Anderlecht.
Having lost Marcos Rojo earlier in the second leg of the Europa League quarter-final clash, alarm bells were sounded again towards the end of 90 minutes on Thursday.
The Sweden international, United's top scorer in 2016-17, landed heavily in the final seconds of regular time and appeared to hurt his knee.
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Ibrahimovic was unable to continue and limped off the Old Trafford pitch, with Anthony Martial replacing him for extra time.
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United's hopes of reaching the last-four of the tournament received a boost after 10 minutes when Henrikh Mkhitaryan opened the scoring, giving the hosts an aggregate lead of 2-1.
Jose Mourinho's men, however, failed to close out the tie, allowing Anderlecht to fight back through Sofiane Hanni and force extra time.
Ibrahimovic has enjoyed a sterling debut season in England since switching Paris Saint-Germain for Old Trafford.
The Swede has scored 28 goals in all competitions, including five Europa League efforts to guide the Red Devils to the last-eight.
And with a tense race for a last-four finish and Champions League qualification guaranteed, United will be hoping they do not lose their star forward for the crucial run-in.