The test comes within a week since President Donald Trump imposed a ban on people entering the US from Iran.
Nikki Haley said the Trump administration was ready to 'fix anything that seems obsolete' within the United Nations.
O'Brien urged UNSC members with influence to pressure the Syrian government to allow aid deliveries.
A group of congressmen has submitted a bill that seeks to end US membership in the UN.
Incoming US President Donald Trump had threatened to pull out of the deal, calling climate concerns a "hoax".
Xi Jinping told the UN this was not the time for isolationist policies.
Ban Ki-moon in the second bi-annual report said Tehran might have supplied weapons to Lebanese Shi'ite group Hezbollah.
Maria Emma Mejia, Colombia's ambassador to the UN, said the film was a source of 'great worry and surprise'.
Blue-coated officials criticised for 'partying with' female militants.
UN head appeals for ceasefires to be honoured and compromises made at the negotiating table.
Ban described his two-term period at the helm of the global body as something of a fairy tale.
The president-elect has criticised a recent resolution against illegal Israeli settlements.
Evidence of the crimes will be 'carefully documented' and made public for inspection, Russia says.
Philippines President Rodrigo Duterte said that Americans should just 'shut up'.
The UN Security Council passed the resolution urging an end to illegal Israeli settlements.
The Security Council also approved providing aid for another year.
President has claimed he used to roam streets and kill criminals as part of his 'war on drugs'.
Ban Ki-moon urged the Security Council to impose an arms embargo in the country amid fears of rising violence.
The delivery of aid is irregular, and dependent on security conditions.
World Bank charged at least £241m in admin fees over past 5 years.
The evacuation plan was threatened after buses were attacked by militants.
Thousands of civilians remain trapped in decimated city as Assad forces seize control.