Language in the "peace deal" will give the U.S. exclusive rights to develop a key transit route that will be named after Trump.

Armenia still must amend its constitution to remove a reference to Nagorno-Karabakh, Azerbaijan's ambassador to Britain said.

(Reuters) -A peace push backed by U.S. President Donald Trump leaves Azerbaijan and Armenia just one step from a final peace deal and is a paradigm shift in the strategically important South Caucasus region,