Gang violence, hunger, and political instability threaten Haiti's survival as a state as the UN calls for urgent international security and peacekeeping interventions.

Haiti's capital could become overrun by criminal gangs if the international community does not step up aid to a UN-backed security mission there, United Nations chief Antonio Guterres warned in a report Wednesday.

Gangs in Haiti could overrun the capital, Port-au-Prince, leading to a complete breakdown of government authority without additional international support for the beleaguered national police, the United Nations chief warned.