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

President Donald Trump hosted the leaders of Armenia and Azerbaijan at the White House on Friday, where they finalized a peace agreement that would grant the United States exclusive development access to a critical transit corridor in the South Caucasus,

President Donald Trump will meet the leaders of Azerbaijan and Armenia to sign a joint peace declaration aimed at ending decades of war at a White House meeting Friday, as well as pacts giving the US rights to develop a transit route through the South Caucasus.