A cinematographer for an Oscar-winning film about Syria says the topic was overlooked at the UN.
The UN has passed a resolution to investigate war crimes committed by IS against the Yazidi people.
Tough-talking President Donald Trump may have met his match in Iranian counterpart Hassan Rouhani.
Addressing the UN General Assembly, Prime Minister Theresa May says the UK will withhold millions in funding unless the UN achieves "sufficient results".
The UN's human rights chief says the Security Council should consider imposing sanctions on Myanmar.
Donald Trump is not the first key figure to question the UN's role, agenda and record.