The United Nations envoy for Yemen said on Monday he was encouraged by intensified efforts for an expanded truce deal but stressed they should seek an inclusive process for a sustainable political settlement. Hans Grundberg, addressing a U.N. Security Council briefing more than three months after an initial truce pact expired, said “we are witnessing a potential step change” in the conflict’s trajectory though the situation remained “complex and fluid”. The eight-year-old conflict between a military coalition led by Saudi Arabia and the Iran-aligned Houthi group, the de facto authorities in No…