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.

Tensions have heightened between Thailand and Cambodia over a longstanding border dispute as leaders of both countries voice concern and warnings. Andrea Heng and Susan Ng dive into the catalyst of the skirmish and assess the conflict with Mustafa Izzuddin,