Arsenal edged Napoli 1-0 to advance to the Europa League semi-finals 3-0 on aggregate.
Alexandre Lacazette scored a stunning 36th-minute free-kick to help the English club book a final-four meeting with Valencia, who were 5-1 aggregate winners over fellow Spaniards Villarreal.
Napoli’s exit means no Italian clubs are left in European competition this season.
Elsewhere, Chelsea registered a 4-3 win at home against Slavia Prague that saw them progress 5-3 after two legs.
The London side will face Eintracht Frankfurt for a place in the final after the German club beat Benfica 2-0 to go through on away goals after the tie ended 4-4 on aggregate.

Pogacar wins third Flanders crown but faces fine for running red light
Thuram and Martinez star as Inter dismantle Roma
Silva to exit Man City at end of season, assistant manager confirms
Penalty heroics help Leeds beat West Ham to reach FA Cup semis
Pogačar wins Tour of Flanders for record-equalling third time
