A suicide bomber dressed as a paramilitary soldier attacked an office of the U.N. World Food Programme (WFP) in the Pakistani capital on Monday, killing five staff, government and U.N. officials said.

Norway is the best place in the world to live while Niger is the least desirable, according to an annual report by the United Nations.

This year's Nobel prize for medicine goes to three US-based researchers who discovered how the body protects the chromosomes housing vital genetic code.