Leinster were made to work hard for their bonus point victory in the URC.
Scott Penny scored a hattrick of tries as they edged Edinburgh by 28 points to 20 at the Aviva Stadium.
The visitors missed a late conversion to get their own bonus point.
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Connacht also picked up a winning bonus point.
They had too much for Zebre and came away from Parma with a 31-15 victory.
Ulster got the better of Cardiff by 21 points to 14 in Belfast.
