Thailand's embattled Prime Minister Paetongtarn Shinawatra was facing the prospect of losing her government's majority on Friday as a vital coalition partner looked set to demand her resignation after just 10 months in power.

Thailand's Bhumjaithai Party on Wednesday announced its withdrawal from the coalition government, in a major setback for Prime Minister Paetongtarn Shinawatra's ruling coalition. The party, the second largest party in the alliance and holder of 69 seats in parliament,

The reescalation of conflict was sparked on May 28, when a Cambodian soldier was killed in an early morning clash between both nations’ troops, in an area called the Emerald Triangle—the shared border between Thailand, Cambodia, and Laos. The area remains disputed as both Thailand and Cambodia lay claims to parts of the region.

Cambodians hold national flags and a portrait of Cambodia's Hun Sen as they attend a "Solidarity March" to support the government's decision to deploy the army at the disputed Thailand-Cambodia border,