Islamic State crisis: UN aims to stop jihadist recruits
The UN Security Council has adopted a binding resolution compelling states to prevent their nationals joining jihadists in Iraq and Syria, the BBC reported.
US President Barack Obama chaired the session and said nations must prevent the recruitment and financing of foreign fighters.
US and Arab jets bombed Islamic State (IS) targets in Syria for a second day, including oil facilities, the US says.
Mr Obama urged global efforts to dismantle the IS "network of death.”
The US-drafted resolution was adopted unanimously.
The US launched air raids against IS militants in Iraq last month and overnight from Monday to Tuesday expanded the strikes into Syria, with the participation of Gulf Arab allies.
IS now controls several oilfields in Syria and Iraq, and sales of smuggled crude oil have helped finance its offensive in both countries.
UK Prime Minister David Cameron said nations must deal with all forms of extremism, including banning "preachers of hate" and fighting "poisonous ideology."
He told the UN council session that the Iraq and Syria conflicts were attracting young recruits from prosperous countries.
Mr Obama said "the words spoken here today must be matched and translated into action... within nations and between them, not just in the days ahead but for years to come."