Results from the UEFA Europa League on Thursday: Semi-finals, first leg At Manchester, England Manchester United (ENG) 6 (Fernandes 9, 71-pen, Cavani 48, 64, Pogba 75, Greenwood 86) Roma (ITA) 2 (Pellegrini 15-pen, Dzeko 34) At Vila-real, Spain Villarreal (ESP) 2 (Trigueros 5, Albiol 29) Arsenal (ENG) 1 (Pepe 73-pen) -- Second legs on May 6 afp