Brussels: Azerbaijani President Ilham Aliyev has announced significant progress in negotiations with Armenia over the past year, emphasizing advancements in border delimitation. This statement was made during a meeting with Belgian Prime Minister Alexander De Croo, as reported by APA. According to Azeri-Press News Agency, President Aliyev identified Armenian territorial claims, enshrined in Armenia's Constitution, as a persistent hurdle to achieving a peace treaty. He suggested that amending the Armenian Constitution is crucial to overcoming this obstacle and moving forward with peace efforts.