Cardiff improve United Rugby Championship play-off hopes with victory

Keiran Williams, Jack Walsh and Dan Edwards score for Ospreys

Rory Thornton, Liam Belcher and Dan Thomas score for Cardiff

Ospreys wing Daniel Kasende given a 20 minute red card

Cardiff's Liam Belcher and Josh McNally, and Ospreys duo Owen Watkin and Dan Edwards yellow carded

Gareth Thomas withdrawn from Ospreys XV before kick-off

URC: Cardiff hold on to beat Ospreys, Dragons leave it late at Zebre - follow