Danny Welbeck will miss Euro 2016 after initial scans revealed he could be on the sidelines for up to five months, Goal understands.
The Arsenal striker sustained a knee injury during the first half of Sunday's 2-2 draw with Manchester City after stretching to challenge Bacary Sagna.
Welbeck knew immediately that the problem was serious having had previous experience of a separate knee injury which kept him out for 10 months.
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Goal understands that the early prognosis suggests the 25-year-old will miss England's Euro 2016 campaign and could be unavailable for the start of Arsenal's pre-season.
Former Manchester United forward Welbeck has scored five goals and notched two assists since his much-anticipated comeback in February, becoming a key player for Arsene Wenger's side in the final few months of the season.
Confirmation of the full diagnosis is expected to come on Wednesday but early indications show that Welbeck, along with the injured Alex Oxlade-Chamberlain, will not be involved in the European Championship this summer.