The Minister for European Affairs says another Irish referendum on the Lisbon Treaty is "very unlikely".

European leaders have agreed to consider making changes to the Lisbon Treaty to protect the Euro in a financial crisis, in a plan unveiled late last night at a summit in Brussels.

Franco-German plans to change Europe's infamous Lisbon Treaty barely a year after it was finally approved will raise tensions at an EU summit in Brussels today.

Former Justice Minister Michael McDowell will speak at a hearing today on how the government can best use new powers granted under the Lisbon Treaty.

The European Commission vowed today to use the full force of the Lisbon Treaty to push economic integration and pull the EU out of the financial crisis.

Ireland's outgoing EU Commissioner Charlie McCreevy has suggested it was "a good thing that Ireland rejected Lisbon Treaty on the first occasion".

The Lisbon Treaty came into force today at the end of nearly eight years of controversy, debate and rebellion about the shape of the future European Union.

The Tories said they would not be put off by “abuse” thrown at their new European policy today after two MEPs quit the frontbench and a French minister delivered a stinging rebuke.

The British Conservative Party said a backlash from Europe “won’t make a difference” today as David Cameron was accused by a leading French minister of “castrating” the UK's influence in Brussels.

British Conservative Party leader David Cameron promised today to change UK law so that no further powers could be transferred to Brussels without the approval of the British people in a referendum.

David Cameron denied today that his party was in turmoil on Europe, as he came under pressure over his decision to abandon plans for a referendum on the Lisbon Treaty.

Conservative leader David Cameron will today unveil his new policy on Europe, after admitting that a referendum on the Lisbon Treaty will no longer be possible.

The Taoiseach Brian Cowen has welcomed the decision of Czech president Vaclav Klaus to sign the Lisbon Treaty today.

Czech president Vaclav Klaus signed the EU's Lisbon treaty today after his country's constitutional court ruled it was in line with the Czech constitution.

The last legal block on the Lisbon Treaty has been cleared by the Czech Constitutional Court this morning.

EU leaders meeting in Brussels appeared poised to clinch Czech backing of the Lisbon Treaty today, clearing a major hurdle to its ratification and the naming of an EU president.

The Government has taken the final step in ratifying the Lisbon Treaty.

Czech President Vaclav Klaus reportedly has indicated that he may, after all, sign the EU reform treaty.

President Mary McAleese has signed the Bill of the Lisbon Treaty, making the Yes vote in the referendum legally binding.

Any ideas of reopening the ratification of the Lisbon Treaty across Europe were condemned today as “absurd” and “surreal”.

Poland’s president has completed his country’s ratification of the European Union reform treaty – leaving the Czech Republic as the only nation yet to sign off on the agreement.

The President of the Czech Republic today clarified what he wants before signing the Lisbon Treaty – a UK style “opt-out” from the Charter of Fundamental Rights.

The EU should not place its own president above any nation, the Tories warned today.

The first president of Europe must be a “decent national statesman” with “impeccable” European credentials – and that rules out Tony Blair, a former senior eurocrat said today.

The Lisbon Treaty is being “fast-tracked” through the Czech constitutional court to end the uncertainty over its future as soon as possible, the Czech prime minister said today.

New talks on how to bring the Lisbon treaty into force take place today – but the man with key to its future will not be there.

Tory leader David Cameron said today he would “go on pushing” for a referendum on the Lisbon Treaty, and dismissed suggestions of a split with London Mayor Boris Johnson over the issue.

Former President Mary Robinson is reportedly among a number of high-profile names being tipped to become the first president of the European Council.

Foreign Affairs Minister Micheál Martin today denied Ireland had begrudgingly voted 'Yes' to the Lisbon Treaty because of fears over the economy.

David Cameron today rejected calls by Tory Eurosceptics to commit to a British referendum on the Lisbon Treaty even if it has been ratified by the rest of the EU.

Tory leader David Cameron was tonight under increasing pressure to declare whether he would press ahead with his promised referendum on the controversial Lisbon Treaty, even if it has been fully accepted by the rest of the European Union.

After Ireland’s resounding “yes” vote today, only one man now stands in the way of the Lisbon Treaty coming into force, with its promise of a more efficient , user-friendly European Union.

European Commission President Jose Manuel Barroso today hailed the Irish “yes” vote to the Lisbon treaty as “a great day for Ireland and for Europe”.

Some 67.1% of those who voted in the second Lisbon Treaty referendum yesterday cast their ballots in favour of the EU reform package, according to today's official result.

The Government must live up to its commitment that the Lisbon Treaty will deliver jobs and take Ireland out of recession, the No movement said today.

The Irish electorate put their country ahead of anger at the Government in backing the Lisbon Treaty, it was claimed today.

Ireland’s decisive vote for the Lisbon Treaty will bring about a stronger and fairer Ireland and Europe, Taoiseach Brian Cowen said today

The Taoiseach Brian Cowen has said he is delighted by the "decisive" vote in favour of the Lisbon Treaty.

European Commission president Jose Manuel Barroso has spoken by phone to the Taoiseach Brian Cowen to congratulate him on the 'Yes' result in the Lisbon Treaty referendum.

Latest results fed to the national count centre in Dublin Castle included a massive 76% in favour of Lisbon in Kildare North and another strong backing of 70% in Tipperary North.

IBEC has welcomed news of a decisive 'Yes' vote in the Lisbon Treaty referendum.

British Conservative Party leader David Cameron was urged today to stop “plotting” with the Czech Republic to block the Lisbon treaty in the wake of the apparent Irish 'Yes' referendum vote.

Ireland was on course today to back the Lisbon Treaty with a resounding two-to-one majority for the 'Yes' campaign.

Irish voters have made a mistake by apparently backing the Lisbon Treaty, Libertas leader Declan Ganley claimed today.