Untidy lineout but Saints have it

Scrum penalty Saints and Smith sets up an attacking lineout

Cross kick from Frawley for Larmour is lost forward for a Saints scrum around halfway

Box kick from Mitchell, loose pass at the back

Out to Lowe on the left and he chips ahead and it rolls into touch deep in the Saints 22

Spilled forward from the lineout and Leinster have it

Back to Byrne who clears to touch

Smith gets the match underway for Saints, taken up by Doris

There has been a ten minute delay to kickoff

Four time winners Leinster and the Northampton Saints do battle in the Champions Cup semi-final. Leinster beat the back to back defending champions La Rochelle 40-13 in the quarter-finals, while the Northampton Saints ran out 59-22 winners over the Bulls.