O'Brien has failed his HIA and will not return

Saints back in it as Ross Byrne restarts

Dingwall runs a superb line to take the flat ball at pace and he is through untouched to score

Olowofela hits it up

Leinster and Northampton have met nine times before, with Saints picking up just one victory in that time, that victory coming in Ireland in December 2013

Saints elect for the scrum 7m out

Free kick to Saints 7m from the Leinster line

Opening quarter played

Stoppage in play

Ball becomes unplayable, Leinster get the scrum feed