Glasgow Warriors preserved their 100 percent record in the RaboDirect PRO12 with a gritty 12-6 win over champions Leinster.
Tries from Chris Fusaro and Jerry Yanuyanutawa sealed the win for Glasgow, while Stuart Hogg kicked one of two penalties.
Leinster gave a debut to Lote Tuqiri, but the Australia international wing was unable to influence the play.
Ludovico Nitoglia helped himself to two tries, as Italian side Benetton Treviso claimed a 29-19 win over Munster.
Newport Gwent Dragons were 23-16 winners over Scarlets. Dan Evans and Phil Price touched down for the Dragons, who also saw Tom Prydie and Jason Tovey kick penalties.
Italian side Zebre broke their PRO12 duck with a 30-25 victory over the Cardiff Blues. Zebre had lost all 24 of their league games prior to their visit to Arms Park, but got the job done, thanks to tries from Mauro Bergamasco, David Odiete and Brendan Leonard and the kicking of Luciano Orquera.
Eli Walker and Richard Hibbard both touched down twice as Ospreys routed Edinburgh Rugby, 44-10.
Ospreys are the one of two unbeaten sides—along with Glasgow Warriors—and sit second in the table following their draw with Leinster last weekend.
Paddy Jackson was the star of the show, bagging a try, conversion and two penalties, as Ulster claimed an 18-7 win at Connacht.
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