Sinn Féin MLA Aisling Reilly says her party will "continue to work with GAA, the local executive, and the Irish and British governments to push this project forward and get state-of-the-art facilities built and a first-class stadium for Gaelic Games delivered.

"We will not be giving up; yes, we’ve been delayed, but we will not be denied, and Casement will be built."

Sinn Féin MLA Aisling Reilly says hosting the tournament was “an epic opportunity to showcase the very best of our island on the world stage”.

The west Belfast representative tabled a Matter of the Day motion in the Assembly to discuss the announcement.

She called the news "hugely disappointing".

“The Secretary of State Hilary Benn has said clearly that Casement Park will be built, and I would urge him and his government to honour the commitments they have made," she said.

Jayne McCormack
BBC News NI political correspondent

Stormont's sports minister Gordon Lyons says he will engage with the GAA and others about the future of redeveloping Casement Park.

Speaking to BBC Radio Ulster's Talkback, he says it was always going to be "exceptionally difficult" for it to be constructed in time.

He said the decision had been made last year to pursue the Euros tournament, something he disagreed with.

"I believe we should have looked at other options, I don't believe all the eggs should have been put in this basket".

Asked repeatedly whether Stormont would increase the amount it has already committed to the scheme, £62.5m, Lyons said that would be up to the executive but that departments are severely constrained in terms of funding.

You can listen to that interview in full by hitting the play button at the top of the screen.

Tourism NI chief executive John McGrillen says it's "very, very disappointing news".

"We would have estimated that we would probably have seen somewhere in the range of £100m plus being pumped into the local economy as a result of the four games that were due to be held," he said.

"That’s not an insignificant loss," he added.

Mr McGrillen also pointed out that hosting the Euros gives countries a "profile" and said it was "unfortunate that Belfast is not going to have that opportunity".

Image source, PA Media

Uefa requires that all European Championship stadiums have a capacity exceeding 30,000.

In short, National Stadium at Windsor Park - Northern Ireland's footballing home - is too small to host.

The south Belfast site holds 18,500 spectators.

The Irish Football Association (IFA) has said there is "no route to fund an expansion" of the ground.

A Matter of the Day motion has been accepted by the Speaker at the Northern Ireland Assembly.

It's been brought by the Sinn Féin MLA for West Belfast.

We'll be streaming all the reaction from the Stormont chamber from noon.

Just click the play button at the top of the page when it appears.

Image source, Pacemaker

Plans have been in place to build a new stadium at Casement Park since 2011.

It was to be primarily used for GAA games, but it was also one of the 10 venues in the UK and Ireland chosen to host matches in the Euro 2028 football tournament.

The redevelopment had to be completed by summer 2027—to meet a deadline set by the European football governing body, Uefa.

Despite funding not being finalised, in February, clearance work began at the site.

Over the weekend football supporters were asked about the news that the Euros would not be coming to Northern Ireland.

The new stadium at Casement Park was originally estimated to cost £77.5m in 2011.

But with every month that passed, that price tag has continued to rise.

On Friday, the government estimated the latest cost of rebuilding the stadium would be more than £400m.

Image source, PA Media

So, who is funding the redevelopment?

Taoiseach (Irish Prime Minister) Simon Harris says the €50m (£42.2m) his government had pledged remains in place.

The GAA, which owns the ground, is adamant it will pay no more than the £15m it has pledged.

Same for the cash-strapped Northern Ireland government's £62.5m commitment.

On Friday evening, the government published a letter confirming that it would not be providing funding to redevelop the stadium in time for the tournament.

Ulster GAA called the news "bitterly disappointing".

The focus has now switched to building a venue simply for GAA matches at the site in west Belfast.

Although it will be cheaper than a stadium that can host international football matches, there is still a financial shortfall of about £100m.

Image source, GAA

Hello and welcome to our live coverage on reaction to the UK government's announcement that it will not fund the redevelopment of Casement Park in time for the Euro 2028 football tournament.

Throughout today we'll bring you the latest from politicians, sporting organisations and fans as the focus shifts to what the future holds for the west Belfast stadium.

Image source, Getty Images