A high-level international conference has been held to discuss the Middle East peace process, with the secretary-general stating that a two-state solution is the only credible path to peace. The UN chief has warned that the region is sliding deeper into crisis, with the Palestinian-Israeli conflict at the heart of regional instability, and some speakers have urged diplomatic efforts to achieve a lasting peace. The feasibility and implications of a two-state solution are being debated, with some experts noting challenges and potential drawbacks to this approach.