With the hooter about to sound, Sam Mulroy launches a shot for two, his effort his short but Ethan Rafferty can't hold onto the ball and drops it into his own net.

What an ending - the Championship that keeps on giving!

Image source, Inpho

Louth have won it at the death!

Image source, Inpho

The hooter sounds!

Dublin win the Cavan kick-out and break quickly once again, moving the ball to Lee Gannon who is waiting by the near post and he fists it over to give the Dubs a narrow lead heading into the break.

Image source, In

It's a free in to Louth and a chance to bring the game to within two points with around three minutes remaining.

Sam Mulroy with the ball in his hands and it's good.

A brilliant run from Niall Scully sees him release Cormac Costello in a promising position, but his effort is well saved by Liam Brady.

Advantage is played and Con O’Callaghan is on hand to convert a simple close-range free as we head into the final minute of this first half.

Cavan register their sixth wide of the afternoon as Darragh Lovett’s effort drifts narrowly past the posts.

And the hosts’ shooting frustrations continue, with Tiernan Madden adding another miss moments later as chances begin to go begging.

Dublin are maintaining possession but struggling to break down the Cavan defence, circulating the ball patiently with a long spell of short passing.

Eventually Con O’Callaghan spots the opening and slots over to bring it back to a one-point game.

Jason Duffy fists over for Armagh.

Are they going to advance to the quarter-finals?

Seven minutes to go.

Ronan Wallace finds the net for the Lake County in Salthill, but Galway continue to hold a healthy lead approaching the break.

Louth almost shoot themselves in the foot providing Armagh with a huge goal chance but Oisin Conaty can't find the proper purchase to fire into the net beyond the Louth rearguard.

After breathing a sigh of relief, Louth point at the other end through Conor Early. Jarly Og Burns responds for Armagh and with 10 minutes remaining it's still anyone's game.

Patrick Lynch drives down the left wing, takes it on from a tight angle, and makes no mistake as he splits the posts with a fine finish.

A brilliant long-range pass from Niall Scully picks out Cian Murphy, but Cavan react quickly to snuff out the danger before it develops further.

Tiernan Madden fires Cavan back in front once again with 10 minutes of the half remaining in this end-to-end contest.

There’s a late follow-up effort from Darragh Lovett, but it drifts short as the hosts look to keep the pressure on.

Darragh McMullen picks up his first score of the game at a crucial time to now give Armagh a two-point lead.

Con O’Callaghan follows up by converting a simple 13-metre free to edge Dublin in front once again.

But Cavan respond immediately through Darragh Lovett at the other end, keeping this contest finely poised.

Ross McQuillan fakes to shoot outside the perimeter, cuts inside his man and the paint before curling over his fourth point. Jason Duffy tags on another for the Orchard, his first of the day but Dara McDonnell and Ciaran Downey answer for Louth.

There is just one between them with less than 15 minutes remaining.

The pace has really picked up now, with Patrick Lynch landing a consecutive two-point score for Cavan to edge the hosts ahead once more.

But Dublin respond emphatically — Con O’Callaghan drills over their first two-pointer of the afternoon to level matters again in this see-saw contest.

A superb two-point effort from Conor Brady from beyond the arc brings the Breffni men level once again in an absorbing contest.

A simple pass from Cormac Costello finds Con O'Callaghan, who steadies himself and restores Dublin’s two-point lead.

There’s an early change for the visitors as well, with Colm Basquel introduced in place of Niall Scully after 20 minutes here in Cavan.