Leinster turn up the pressure once again in a breathless few minutes.

Jamison Gibson-Park goes for the line but is held up.

Almost immediate response from La Rochelle who get off the mark with a penalty.

Antoine Hastoy makes no mistake from the kicking tee.

Leinster asking questions of La Rochelle with a grubber kick from James Lowe forcing Teddy Thomas race back and touch down for a goal-line drop-out.

The hosts now putting more pressure on the French side and the noise level in the stadium is increasing as Leinster work their way towards the visitor's line.

Can they make their territory count?

La Rochelle with their first spell of meaningful possession work their way deep into Leinster's half.

The French side's maul disintegrates and Joe McCarthy emerges with the ball allowing Leinster to clear their lines.

Ross Byrne gets the hosts on the board from the kicking tee after the visitors stray offside.

Leinster win their lineout on the halfway line and look to test fullback Dillyn Leyds with an up and under which he deals with expertly.

A game of kick-tennis ensues.

Leinster awarded a penalty for an offside and Ross Byrne points to the posts...

A cagey start from both sides with a bit of early back-and-forth as the sides settle into the game.

First scrum of the game now and it's a La Rochelle put in.

Here we go! Referee Karl Dickson blows the whistle and we're off.

A really big game feel at the Aviva Stadium with plenty of travelling support and pockets of yellow dotted around the stadium.

The atmosphere is really picking up and there's a wall of noise at the teams take to the pitch!

Anticipation is building here in Dublin, with the stadium now filling up as the teams complete their warm-ups.

There’s a good atmosphere and, despite a few rain showers this morning, the weather has cleared up and it looks like perfect conditions for rugby.

Just over five minutes to go…

Leinster: Ciarán Frawley; Jordan Larmour, Robbie Henshaw, Jamie Osborne, James Lowe; Ross Byrne, Jamison Gibson-Park; Andrew Porter, Dan Sheehan, Tadhg Furlong; Joe McCarthy, Jason Jenkins; Ryan Baird, Will Connors, Caelan Doris (capt).

Replacements: Rónan Kelleher, Michael Milne, Michael Ala’alatoa, Ross Molony, Jack Conan, Luke McGrath, Harry Byrne, Josh van der Flier.

La Rochelle: Dillyn Leyds; Jack Nowell, UJ Seuteni, Jonathan Danty, Teddy Thomas; Antoine Hastoy, Tawera Kerr-Barlow; Louis Penverne, Tolu Latu, Uini Atonio; Ultan Dillane, Will Skelton; Judicael Cancoriet, Levani Botia, Grégory Alldritt (capt)

Replacements: Quentin Lespiaucq, Alexandre Kaddouri, Joel Sclavi, Thomas Lavault, Paul Boudehent, Yoan Tanga, Teddy Iribaren, Ihaia West.

Good evening and welcome to our live text coverage of the Champions Cup quarter final clash between Leinster and their fierce rivals La Rochelle.

This is the fifth meeting between the sides in four seasons in what is fast becoming one of the biggest rivalries in club rugby.

La Rochelle lead the recent rivalry with three wins to Leinster’s one, including dramatic wins for the French side in the last two finals of the competition.

The defending champions secured their path to the quarter-finals with a narrow win away to the Stormers while Leinster saw off the Leicester Tigers in the Round of 16 at the Aviva Stadium last Saturday.

Stay with us and follow for what is setting up to be another classic.

Follow that, if you can Leinster! The next quarter-final is coming up, with Saints-Bulls to follow at 20:00 BST.

Lucu's kick just scraped by the wrong side of the post - fine margins, eh?

But Quins really deserved the win, with Tyrone Green's sixth try giving them just enough of a cushion.

Image source, Getty Images

What a performance from Harlequins!

They overcame the heat and the disadvantage of being the away side with a performance of incredible character.

There were 12 - count 'em, 12 - tries today and plenty of excellent conversions, but that miss by Maxime Lucu late on proved to be crucial.

He misses but it doesn't matter as the whistle has gone and Harlequins are into the semi-finals!

Quins are into the home 22 and are trying to eat up some time. Their forwards win a penalty, and a shot at goal is coming up from Jarred Evans.

Marcus Smith has been replaced, possibly carrying an injury.

Bordeaux pile forward into the 22 and have a penalty while Alex Dombrandt is seen to for a possible head injury.