Real Madrid will bid for a record-extending 15th title against Borussia Dortmund at Wembley on June 1.
Dortmund coach Edin Terzic said his team deserved their place in the final.
United remain in eighth place with 54 points from 35 games, two points behind Newcastle United in sixth, with their hopes of European football...
The winners will face either Borussia Dortmund or Paris St Germain, who meet in the second semi-final on Wednesday.
Athletes expressed their condolences, including UFC fighter Conor McGregor.