Ireland will have a central presence in the Heineken Cup semi-finals when international referees Alain Rolland and Alan Lewis take charge on 21 and 22 April.
Former international scrum-half Rolland will referee the Saturday semi-final between Leicester Tigers and Llanelli Scarlets at the Walkers Stadium which will be his third tournament semi-final.
Former Ireland opening batsman Lewis will be controlling his second Heineken Cup semi-final when he referees the all-England Sunday showdown between London Wasps and Northampton Saints at the Ricoh Arena in Coventry.
HEINEKEN CUP 2007 SEMI-FINALS
(All kick-offs LOCAL time)
SATURDAY 21 APRIL
LEICESTER TIGERS v LLANELLI SCARLETS
15.00 Walkers Stadium, Leicester (32,000)
Referee: Alain Rolland (Ireland) Television: Sky Sports / FR2
SUNDAY 22 APRIL
LONDON WASPS v NORTHAMPTON SAINTS
15.00 Ricoh Arena, Coventry (32,000)
Referee: Alan Lewis (Ireland) Television: Sky Sports