Cardiff Blues score two late tries to beat Ulster and dent the visitors' Pro12 play-off hopes.
A tight first half was scoreless for 30 minutes until Paddy Jackson's two penalties put Ulster 6-3 up at the break.
Rhys Patchell struck his second penalty to bring Blues level but Craig Gilroy's try put the Ulster back in front.
Patchell combined with Ray Lee-Lo for a fine team score, before Aled Summerhill touched down to seal victory.
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