Pakistan, Aug. 10 -- Armenia and Azerbaijan have committed to a lasting peace after decades of conflict, US President Donald Trump said after the South Caucasus rivals signed a deal welcomed on Saturday by Iran and Western nations.

Armenian Prime Minister Nikol Pashinyan and Azerbaijan's long-time President Ilham Aliyev said Trump's mediation should earn him a Nobel Peace Prize - an award the US leader has been vocal about seeking.

The two former Soviet republics "are committing to stop all fighting forever, open up commerce, travel and diplomatic relations and respect each other's sovereignty and territorial integrity," Trump said at a White House signing event on Friday.

However, the fine print and binding nature of the deal between ...