The first leg of the semifinals was played in the UEFA Europa Conference League.
Fiorentina hosted Basel, but lost 1-2 (video).
West Ham United played at home against AZ Alkmaar and won 2-1 (video).
The second leg of the semifinals is slated for May 18.
The Europa Conference League final will be played on June 7 in Prague, the capital of the Czech Republic.
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