A senior Iranian official says a U.S.-brokered peace deal between Armenia and Azerbaijan threatens Iran's security.

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.

President Donald Trump, center, shakes hands with Armenian Prime Minister Nikol Pashinyan, right, and Azerbaijan President Ilham Aliyev during a trilateral signing ceremony in the State Dining Room of the White House, Friday, Aug. 8, 2025, in Washington. (AP Photo/Mark Schiefelbein)