Arsenal's Brazilian forward Gabriel Jesus is set for a lengthy spell on the sidelines after suffering what is suspected to be an anterior cruciate ligament (ACL) injury, according to British media reports on Tuesday.

Arsenal forward Gabriel Jesus will have an operation on his left knee after sustaining an anterior cruciate ligament injury. Jesus, 27, was taken off on a stretcher during Sunday's FA Cup third round defeat by Manchester United at Emirates Stadium.

Arsenal manager Mikel Arteta has admitted Gabriel Jesus' knee injury is "not looking good," with sources telling ESPN the club fear he will miss the remainder of the season.

Arsenal's squad are looking to pay tribute and show their support for Gabriel Jesus by wearing specially designed t-shirts before the north London derby tonight

Just when Gabriel Jesus was rediscovering his form for Arsenal, the Brazilian suffered a knee injury that will keep him sidelined for the foreseeable future.

Gabriel Jesus' knee injury is “not looking good,” Arsenal manager Mikel Arteta said Tuesday. The Brazil striker was taken off after 40 minutes in Arsenal's FA Cup loss to Manchester United on Sunday.

Arsenal's injury woes continue to grow as Gabriel Jesus was stretchered off against Manchester United in the first half of their FA Cup tie.

Arsenal have confirmed that Gabriel Jesus will undergo surgery after suffering a cruciate ligament injury to his knee. The Brazil international was forced off on a stretcher in the first half of Arsenal’s FA Cup third-round tie against United on Sunday night before Mikel Arteta’s side went on to lose the game on penalties.