NYON, SWITZERLAND (AFP) - Jurgen Klopp's Liverpool will play Villarreal in the Europa League semi-finals while defending champions Sevilla face Ukraine's Shakhtar Donetsk.

Liverpool, who hit back from 2-0 and 3-1 down to beat Klopp's former club Borussia Dortmund 4-3 and progress into the semis 5-4 on aggregate, have never played Villarreal before.

Sevilla ousted fellow Spaniards Athletic Bilbao on penalties in Thursday's quarter-final in their bid to win a third consecutive Europa League.

The final is set for Basel, Switzerland, on May 18.