Harambee Stars international Joseph Okumu was missing in European action as his KAA Gent side suffered a shocking 1-0 defeat at the hands of Cyprus side Anorthosis in matchday 5 of the UEFA Europa Conference League staged on Thursday night.Although named in the Gent matchday squad, the former Chemelil Sugar man only watched from the substitutes bench for the entirety of the game as his side suffered their first defeat in the group stage of the third tier European league competition.Groepswinst zonder zelf te bekoren, over twee weken een nieuwe kans #anognt #UECL pic.twitter.com/UUCGUdb1Xh— KAA Gent (@KAAGent) November 25, 2021 A strike from close to the halfway mark courtesy of Lazaros Christodoulopoulos was all Arnothosis needed to sensationally get their first win in the tournament in the match played at the GSP Stadium.While Gent still remain top of their Group B table despite the loss, the result sees Arnothosis maintain a chance of qualifying for the round of 16 with a game still to be played.🚨 RESULTS 🚨🤩 Drama and entertainment! Who impressed you?#UECL— UEFA Europa Conference League (@europacnfleague) November 25, 2021 In the group, Gent are already assured of qualification as they sit top on 10 points. The remaining slot is up for grabs between Partizan, Flora and Anorthosis who sit in second, third and fourth respectively with the last match set to decide who will join the Buffalos in the knockout rounds.After the rest, Okumu will be hoping to get back to action when Gent turn their focus back to the league. The team, who are currently in seventh on the log on 21 points, take on 12th placed Standard Liege who are twelfth with only one point separating the two.