United's expensively-assembled defence were exposed by Istanbul Basaksehir handing the English club its first defeat in this season's competition and leaving manager Solskjaer in deep trouble.
Europa League: Manchester United, Wolves secure big victories; Borussia Monchengladbach out after loss to Basaksehir
Teenage striker Mason Greenwood scored twice as Manchester United hammered AZ Alkmaar 4-0 and Enzo Crivelli scored a last-gasp winner to put Istanbul Basaksehir through to the last 32 as the Europa League group stage concluded on Thursday.
Turan was involved in a fight with Turkish singer Berkay Sahin in an Istanbul nightclub late last year, leaving the singer with a broken nose. Turan later arrived at the hospital with a gun which he fired at the ground, causing panic.
Prosecutors charged Arda Turan with sexual harassment, unlicensed possession of weapons and causing intentional injury over the fight with singer Berkay Sahin.
Barcelona loanee Arda Turan being investigated by Turkish prosecutors after assaulting pop star in nightclub
An investigation has been opened into Barcelona footballer Arda Turan after reports emerged of the Turkish star assaulting a singer and entering a hospital with a gun.
Turkish football authorities on Thursday banned the country's best known player Arda Turan, on loan at Super Lig contenders Basaksehir from Barcelona, for 16 games after he attacked a referee in the last minutes of a game.
Abandoned Turkish Cup semi-final derby between Besiktas and Fenerbahce to resume behind closed doors for 32 minutes
The Turkish Cup semi-final second leg between Besiktas and Fenerbahce will resume behind closed doors next week after violence forced the Istanbul rivals to abandon their ill-tempered encounter on 20 April
Besiktas coach Senol Gunes suffers gruesome head injury due to object thrown from stands in suspended Fenerbahce clash
Senol Gunes, the coach of Turkish top flight side Besiktas, was hospitalised on Thursday after being hit on the head by a projectile apparently thrown from the crowd in an away game at arch Istanbul rivals Fenerbahce.
Besiktas football club of Istanbul, is one of Turkey's oldest sports organisations with an impassioned fan base known for their opposition to the authorities.