Munster surrendered a 21-point half-time lead as they were held to a 26-all draw by Ulster in the URC.
The visitors ran in four first-half tries to lead 26-5 at the break in Belfast.
But Ulster fought back with three tries after the restart, including a late Stuart McCloskey score, to rescue a draw.
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Leinster have secured a bonus-point victory in the URC, beating Cardiff 29-5 at the Laya Arena.
Jimmy O’Brien crossed twice for the hosts, with Hugo Keenan and Jack Conan also touching down to secure the try bonus point before half-time.
Jamie Osborne added a fifth try after the break as Leinster cruised to a comfortable win.
