Ospreys crashed to a third straight Heineken Cup defeat despite a fiercely-competitive performance against Castres.
An incredible 75-yard gallop by Lions wing Alex Cuthbert clinched Heineken Cup victory for Cardiff Blues.
A plan for a breakaway European competition looked in tatters after French clubs said they would stick with the Heineken Cup.
Ireland's Rory Best broke his forearm in the heartbreaking last-gasp defeat by New Zealand, his province Ulster said.
European rugby's new club competition is will go ahead, said the head of the English Premiership.
Heineken Cup holders Toulon have announced a three-year contract extension for England international flanker Steffon Armitage.
The WRU has offered to centrally contract top internationals like captain Sam Warburton to prevent them being poached.
Round-up: Northampton kick-started their Heineken Cup campaign with a priceless victory at Franklin's Gardens.
Cardiff Blues produced a stunning Heineken Cup upset after substitute Gareth Davies' late try floored Toulon at Arms Park.
Ulster secured one of the most memorable away Heineken Cup wins as they comprehensively beat Montpellier.
Jack McGrath's first Heineken Cup try lifted Leinster to their second pool win as they beat a bruising Castres Olympique side 19-7 at the RDS.
Munster opened their win account in this season's Heineken Cup as Johne Murphy's 67th-minute try put paid to Gloucester's chances at Thomond Park.
Round-up: Connacht's slim hopes of qualifying were resurrected in Parma where they saw off European whipping boys Zebre 33-6.
Saracens endured their first defeat of the season after Toulouse fought back to edge a heavyweight Heineken Cup showdown.
Toulon scored six tries against Glasgow Warriors although the win was tainted slightly as Jonny Wilkinson went off injured.
Harlequins' poor season continued with a 33-26 defeat to the Scarlets getting them off to a losing start in the Heineken Cup.