Ukraine’s United Nations ambassador has asked an emergency session of the world body’s Security Council “to do everything possible now” to stop Russian “aggression” as troops took over the strategic Crimea region.

The UN Security Council is holding private consultations to discuss the crisis in Ukraine.

The five permanent members of the deeply-divided United Nations Security Council have agreed on a resolution to eliminate Syria’s chemical weapons.

A meeting of the UN Security Council’s permanent members today ended quickly with no sign of progress on an agreement over the Syria crisis.

Cuba’s admission that it was secretly sending ageing weapons systems to North Korea turned the global spotlight on a little-known link in a secretive network of rusting freighters and charter jets that moves weapons to and from North Korea, defying United Nations sanctions.

Argentina and Britain have had another bitter clash at the United Nations over the Falkland Islands.

The UN Security Council condemned North Korea’s successful rocket launch today and said it will urgently consider “an appropriate response”.

The future of the 300-strong United Nations observer mission in Syria was in limbo today after Russia and China again vetoed a Western-backed resolution aimed at pressuring President Bashar Assad’s government to end the escalating civil war.

Russia and China have again vetoed a Western-backed UN resolution threatening non-military sanctions against Syria.

The United Nations will vote today on a new British-crafted Syria resolution after a last-minute delay failed to get key Western nations and Russia to agree on measures to end the soaring violence.

Argentina's president is pressing her country's claim to the Falkland Islands with a high-profile appearance today before a little-known UN committee on the 30th anniversary of Britain's ousting of an Argentinian invasion force.

Russia faces mounting pressure to intervene in the spiralling Syria crisis today, as a top British diplomat urged Moscow to "get off the fence" or see a bloody civil war erupt and spread to other nations.

The UN peacekeeping chief said today there are strong suspicions that pro-regime fighters were responsible for some of the 108 victims of a massacre in Syria, along with heavy weapons illegally fired by government forces.

A resolution expanding the number of UN observers in Syria from 30 to 300 and demanding an immediate halt to violence has been approved by the UN Security Council today.

The wives of the British and German representatives to the United Nations have released a video calling on the wife of the Syrian president to help stop the country’s violence.

United Nations chief Ban Ki-moon said today that the Security Council has sent an unmistakable message to Syria that all violence must stop as the death toll from a year of violence passed 8,000.

The previously divided UN Security Council has sent a united message to the Syrian government and opposition calling on them to immediately implement proposals by international envoy Kofi Annan to end the bloodshed.

Britain moved to whip up international support for a new military and political strategy in Somalia to intensify pressure on al-Shabab militants and try to pull the failed Horn of Africa nation back from the grip of pirates and terrorists.

Argentina last night accused Britain of deploying nuclear weapons near the Falklands.

Argentine Foreign Minister Hector Timerman is meeting UN chief Ban Ki-moon to discuss his country’s concerns over Britain’s “militarisation” of the seas around the disputed Falkland Islands.

The United Nations Security Council failed again to take decisive action to stop the escalating violence in Syria as Russia and China blocked a resolution backing an Arab League plan for President Bashar Assad to step down.

A dozen protesters have been arrested amid violent scenes at the Syrian embassy in London as the United Nations failed to agree a resolution despite a new wave of killing by the Damascus regime.

Diplomats failed today to agree on a United Nations resolution aimed at ending the bloodshed in Syria, leaving discussions in limbo pending consultations with their home governments.

Diplomats claimed considerable progress today towards overcoming Russian objections to a United Nations Security Council resolution aimed at halting the violence in Syria.

Fourteen members of the United Nations Security Council pointed a collective finger at the United States for blocking condemnation of Israel’s stepped-up settlement programme in Palestinian territory.

More than 5,000 people have died in the nine-month Syrian uprising, the UN’s human rights chief has said.

The UN Security Council last night cancelled its authorisation for a seven-month-old Nato military operation in Libya that led to the ouster and death of Libyan leader Muammar Gaddafi.

Russia and China have vetoed a European-backed UN Security Council resolution that threatened sanctions against Syria if it did not halt its military crackdown against civilians.

The United Nations Security Council has finally responded to the escalating violence in Syria, condemning President Bashar Assad's forces for attacking civilians and committing human rights abuses.

European nations seeking to increase pressure on Syrian President Bashar Assad’s regime yesterday presented a revised resolution to the United Nations condemning the country’s government for its deadly crackdown on peaceful protesters.

The US, Britain and France expressed growing concern today that Iran is pursuing a nuclear weapons programme and developing ballistic missiles capable of delivering nuclear weapons.

Britain has expressed satisfaction today that President Gen Pervez Musharraf was cracking down on Islamic extremists and said there was “no question” of blaming Pakistan for the July 7 bombings that killed 56 people in London.