Ospreys take on Toulouse, while Scarlets are at home to Exeter.
KO for both games is at 13:35
More top news
A chilly night with winter showers in the west and widespread frost and ice in places.
The former Siop Y Werin faces demolition as part of council plans to regenerate the town centre.
Leighton Andrews has wrritten to Carwyn Jones saying he has misled the National Assembly 'several times' since the death of Carl Sargeant.