LONDON : Arsenal midfielder Mohamed Elneny is to miss the first leg of the UEFA Europa League semi-final against Atletico Madrid because of an ankle ligament injury.
Elneny, 25, was injured during Arsenal's 4-1 home victory over West Ham United on Sunday, reports EFE news agency.
"Further to assessments and scans on Sunday and Monday, we can confirm that Mo Elneny has sustained ligament damage to his left ankle," the English club announced on Monday.
"We are hoping that Mo will be available for Arsenal again this season and we are keeping in regular contact with the Egyptian Football Association," the statement added.
Elneny is a member of Egypt's 2018 World Cup team.
Arsenal is set to host Atletico Madrid on Thursday at Emirates Stadium here.