Cambodia on Tuesday said it informed the United Nations and Thailand that it had launched a compulsory conciliation process under international law aimed at resolving a long-running maritime boundary dispute with Bangkok.

Cambodia initiated a UN-backed dispute resolution process on Tuesday with neighbour Thailand over overlapping maritime claims in the Gulf of Thailand.

PHNOM PENH, June 2 — Cambodia initiated a UN-backed dispute resolution process today with neighbour Thailand over overlapping maritime claims in the Gulf of Thailand where...