Tens of thousands of people gathered in Cambodia's capital Phnom Penh on Wednesday for a march to show their solidarity with the government and military, amid soaring tensions with neighboring Thailand following a border row that erupted last month.

Relations between Thailand and Cambodia suffered a major blow on Wednesday after a leak of a telephone conversation between Thai Prime Minister Paetongtarn Shinawatra and influential former Cambodian premier Hun Sen that could further escalate tensions.

By bno - Chiang Mai Office Tensions between Cambodia and Thailand have sharply intensified in recent weeks following an armed skirmish that left one Cambodian soldier dead in late May, triggering a cascade of retaliatory measures and nationalist mobilisation on both sides AP reports.