Iran threatened on Saturday to block a corridor planned in the Caucasus under a regional deal sponsored by U.S. President Donald Trump, Iranian media reported, raising a new question mark over a peace plan hailed as a strategically important shift.

Iran has threatened to block a planned transport corridor in the Caucasus, part of a peace deal between Azerbaijan and Armenia brokered by US President Donald Trump. The Trump Route for International Peace and Prosperity (TRIPP) would run through southern Armenia,

Iran has issued a sharp “final” warning to block a U.S.-backed trade corridor through southern Armenia, part of a peace declaration between Armenia and Azerbaijan announced by Donald Trump. The route would give Azerbaijan direct access to Nakhchivan and Turkey,