Warning comes as UN Security Council adopts resolution to tighten arms embargo and place travel bans on militia leaders.
On Wednesday, the UN's World Food Programme said one of its convoys had entered Gaza for the first time since 2007, carrying enough food to feed around 150,000 people for five days.
Fishing boats also ventured out to sea as restrictions were eased.
A U.N. cargo helicopter crashed Tuesday in South Sudan's Unity state killing three crew members and injuring another, the U.N. peacekeeping mission in South Sudan said. A U.N. official told The Associated Press that it appears the aircraft was shot down.Gå til kilden
Secretary-General Ban Ki-moon has welcomed today’s announcement of an open-ended ceasefire for Gaza, brokered under Egyptian auspices, and said he hopes this will lead to a political process aimed at achieving a durable peace.Gå til kilden
FNs avtroppende høykommissær for menneskerettigheter, Navi Pillay, kom torsdag med sviende kritikk av FNs sikkerhetsråd for å sette nasjonale interesser framfor brudd på menneskerettighetene og trusler mot global fred og sikkerhet.Gå til kilden
The United Nations agency for refugees is launching a major aid operation to reach more than half-a-million people displaced by fighting in northern Iraq.Gå til kilden
African peacekeeping forces will hand over their duties to UN troops and police on September 15.Gå til kilden
The scale of the Ebola outbreak appears to be "vastly underestimated", the UN's health agency says, as the death toll from the disease reaches 1,069.Gå til kilden
Declaration of emergency will bring in more funds and aid for those displaced by fighting in the country.Gå til kilden
Some 20,000 Yazidis trapped on mountains after fleeing Islamic State group fighters, as UN calls on world to do more.Gå til kilden
The international chemical weapons watchdog says that all the precursor chemicals for sarin gas removed from Syria have been destroyed.Gå til kilden
Reports of a new influx of weapons as war pushes the world's youngest nation to the brink of famine.Gå til kilden
Israel dismisses the investigation into possible human rights violations during Gaza war as a 'kangaroo court'.Gå til kilden
Regional mediators have set a 10 August deadline for both sides to agree on a transitional government and implement a ceasefire.