Former Haitian leader Jean-Claude Duvalier could only face trial for financial corruption charges during his regime and not human rights violations, a move which concerns the UN Human Rights Office.
A group of global policy makers examining ways to combat challenges such as climate change, water scarcity and human consumption patterns, has presented its findings to the UN Secretary-General.
Increased anti-piracy measures by shipping companies and the intervention by navies have led to a drop in the number of successful pirate attacks off the coast of Somalia in 2011.
North Korea has been described as a humanitarian basket case by a senior UN official.
The isolated Asian country has recently undergone a change in leadership with the international community hoping that it will open up and address human rights issues.