Jonas Eriksson and Stéphane Lannoy to oversee Europa League semifinals

Swedish Jonas Eriksson as well as Stéphane Lannoy of France have been assigned to be in charge of Thursday's UEFA Europa League semifinals' return legs at Stamford Bridge and Estádio da Luz respectively.

02 May 2013, 21:05 CET

Stamford Bridge, London, England

Chelsea FC - FC Basel

Referee: Jonas Eriksson (SWE)

Assistant Referee 1: Mathias Klasenius (SWE)

Assistant Referee 2: Daniel Wärnmark (SWE)

Additional Assistant Referee 1: Stefan Johannesson (SWE)

Additional Assistant Referee 2: Markus Strömbergsson (SWE)

Fourth Official: Stefan Wittberg (SWE)
UEFA Referee Observer: Nuno Castro (POR)

UEFA Delegate: Steen Dahrup (DEN)

25 April 2013, 21:05 CET

Estádio da Luz, Lisbon, Portugal

Benfica SL - Fenerbahçe

Referee: Stéphane Lannoy (FRA)

Assistant Referee 1: Frédéric Cano (FRA)

Assistant Referee 2: Michael Annonier (FRA)

Additional Assistant Referee 1: Antony Gautier (FRA)

Additional Assistant Referee 2: Ruddy Buquet (FRA)

Fourth Official: Laurent Stien (FRA)
UEFA Referee Observer: Manuel López Fernández (ESP)

UEFA Delegate: Georg Pangl (AUT)