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18:03 GMT - Youri Tielemans is pelted with objects thrown by Young Boys supporters as he tries to take a corner. I'm sure we haven't heard the last of that...
17:57 GMT - GOAL! Feyenoord 1-0 Celtic: The ball is lofted to captain Sem Steijn who squares to Ayase Ueda who thumps home to give the Dutch side the lead after 11 minutes.
17:48 GMT - And we're off after a slightly delayed start at Villa Park.
17:38 GMT - Celtic interim manager Martin O'Neill has spoken to TNT Sports ahead of what could be his final match in charge, with Wilfried Nancy set to be their next permanent manager.
"The performance (tonight) is almost secondary to the result, but we'd like to play well obviously. Tonight is about trying to get on the front foot and just go and attack.
"I would like to stay in the competition if we can."
17:35 GMT - We have 10 minutes to go until the first matches of the night get underway. Stay with us for all the updates!
17:02 GMT - It's been a season of relative calm for Feyenoord after a rocky start to the year.
The club is currently managed by former Arsenal and Man Utd striker Robin van Persie, who replaced interim manager Pascal Bosschaart in February. Bosschaart took over from Brian Priske, who was appointed Arne Slot's replacement last summer, but only managed a few months in the role before he was sacked.
16:35 GMT - The team news has dropped for the early kick-offs.
Aston Villa: Emiliano Martínez, Ian Maatsen, Pau Torres, Victor Lindelöf, Lamare Bogarde, Youri Tielemans, Amadou Onana, Jadon Sancho, Morgan Rogers, Evann Guessand, Donyell Malen
Young Boys: Marvin Keller, Loris Benito, Sandro Lauper, Tanguy Zoukrou, Jaouen Hadjam, Dominik Pech, Rayan Raveloson, Saidy Janko, Christian Fassnacht, Darian Males, Sergio Córdova
Feyenoord: Timon Wellenreuther, Gijs Smal, Tsuyoshi Watanabe, Anel Ahmedhodzic, Jordan Lotomba, Oussama Targhalline, Sem Steijn, Luciano Valente, Leo Sauer, Ayase Ueda, Anis Hadj Moussa
Celtic: Kasper Schmeichel, Kieran Tierney, Liam Scales, Auston Trusty, Colby Donovan, Luke McCowan, Callum McGregor, Reo Hatate, Arne Engels, Daizen Maeda, Yang Hyun-Jun
16:30 GMT - Looking ahead to the first two fixtures, here's a bit of background the last time they met.
Aston Villa won the last meeting against Young Boys, emerging victorious 3-0 in a Champions League league phase match at Stadion Wankdorf last season. Youri Tielemans struck first for the Villans side in the 27th minute. Jacob Ramsey and Amadou Onana also were on target.
Celtic won the last meeting against Feyenoord, coming out on top 2-1 in a Champions League group stage match at Celtic Park in December 2023. Luis Palma scored first for the Hoops in the 33rd minute from the penalty spot. Gustaf Lagerbielke also was on target. Yankuba Minteh scored the Stadionclub's only goal in the 82nd minute.
16:00 GMT - Hello and welcome along to the live blog for the Europa League and UEFA Conference League!
We're heading for the now-or-never / make-or-break / do-or-die period of the group stages as we tip over the halfway point in the Europa League and approach that stage in the Conference League.
Will Rangers climb off the bottom of the table? Can Villa cement their place in the top eight? And what about Crystal Palace and Nottingham Forest's chances?
Kick-off times vary around Europe tonight, with Aston Villa and Celtic getting us underway in over an hour's time.
Stay with us for all the updates throughout the night.
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