World powers race to clinch a landmark deal to prevent Iran acquiring a nuclear bomb, with a source close to the marathon talks saying an agreement was "98-percent" completed.

Greek MPs are to vote later on whether to back PM Alexis Tsipras's tough new proposals to secure a third bailout.

Bangladesh is the third most peaceful country in South Asia and ranks better than neighbouring India and Pakistan.

US President Obama hails a deal restricting Iran's nuclear programme as a "historic understanding" which, if implemented, will make world safer.