Treviso too strong for Scarlets
Treviso moved into the top six of the RaboDirect Pro12 by condemning Scarlets to a 20-10 defeat.
Treviso took control of the match when the Scarlets were a man down after Rhys Thomas was sin-binned.
Ludovico Nitoglia and Brendan Williams were the try-scorers for Treviso, while Kris Burton contributed 10 points with the boot.
Welsh under-20 wing Liam Williams touched down for the Scarlets, with Daniel Newton adding the conversion to his earlier penalty.
Cardiff Blues slumped to a third successive defeat as Glasgow claimed their second victory on the road this season 34-13, rounding it off with a fourth try on the final whistle to claim the bonus point.
Three opportunistic tries and a perfect kicking record for outside-half Duncan Weir were enough to put Glasgow comfortably ahead before an Alex Dunbar break for Glasgow got the fourth try to secure a comfortable win.
Casey Laulala and Michael Peterson scored the tries for Cardiff.
Half-time replacement Ian Madigan sparked Leinster into life as they came from behind to record a 26-7 bonus point victory over Aironi at the RDS.
The 22-year-old came off the bench and was instrumental in Leinster's best attacking play, scoring the first of their four tries in the 48th minute.
The province had been in a sticky situation after Nick Williams' converted try earned a surprise half-time lead for the Italians, who have yet to win an away game in the league. But Leinster knuckled down in the second half and a last-minute try from stand-in captain Rhys Ruddock was the reward for the persistence shown in difficult wet conditions.