Munster's Heineken Cup game set for Sunday

Harlequins familiar home venue, the Twickenham Stoop, will stage their Heineken Cup quarter-final clash with Munster on Sunday, April 7 (2pm).
Saracens’ last-eight tie against Ulster has been confirmed by European Rugby Cup for Saturday April 6, with a 6.30pm kick-off, although the venue has yet to be confirmed.