The Armenian-Azerbaijani peace process is going sideways, with belligerent rhetoric displacing hopes that a lasting settlement is within reach.

But hurdles remain. Azerbaijan also said Armenia’s constitution must “eliminate the claims against the sovereignty and territorial integrity of Azerbaijan,” as a prerequisite to allow for the signing of the peace treaty.

Armenia and Azerbaijan on Thursday said they had agreed to sign a peace deal after decades of conflict, with Armenia agreeing to surrender its claim over