Ulster were reduced to 14 when Iain Henderson was punished for a croc roll, with the second-row forward’s yellow card upgraded to a 20-minute red after bunker review.

The Stormers take top spot in the table after a 27-21 victory against Munster in Limerick.

Glasgow’s bonus-point win over Zebre Parma earlier sees them hold a four-point advantage at the top of the table with just three rounds to go