Heavy snow in Romania forces Northampton Saints' European Challenge Cup game against Timisoara Saracens to be postponed.

Professional clubs across Europe will hold a minute's silence this weekend in tribute to Stade Francais youth player Nicolas Chauvin, who died aged 18.

Exeter still face an uphill battle to reach the Champions Cup quarter-finals despite a bonus-point win at Gloucester

Stade Francais edge Ospreys 12-3 thanks to four Nicolas Sanchez penalties in a scrappy European Challenge Cup game in Paris.

Ulster secure a second consecutive bonus-point win over Scarlets with an impressive 30-15 victory in Belfast.

Connacht continue their pursuit of Sale in Pool Three of the European Challenge Cup with a bonus-point 36-21 win at Perpignan.

Leicester make just one change for their crucial Champions Cup encounter against Group leaders Racing 92 at Welford Road on Sunday.

John Hardie, one of 11 changes to the Newcastle side, will face his former side Edinburgh in Sunday's Champions Cup fixture at Kingston Park.

Team news as La Rochelle host Bristol Bears in Saturday's European Rugby Challenge Cup fixture at Stade Marcel-Deflandre (20:00 GMT).

Worcester Warriors make 13 changes for Saturday's European Challenge Cup tie against Pau at Sixways (15:00 GMT).

Wasps make five changes for their European Rugby Champions Cup fixture against Toulouse in France (15:15 GMT).