Thailand's embattled Prime Minister Paetongtarn Shinawatra faced the prospect of losing her government's majority on Friday, as a vital coalition partner looked set to demand her resignation and senators launched a legal bid to remove her from office.

The second biggest party in Thailand's ruling coalition pulled out on Wednesday over a leaked phone call between Prime Minister Paetongtarn Shinawatra and former Cambodian leader Hun Sen, putting her government on the brink of collapse.

Paetongtarn Shinawatra has been widely criticized for appearing weak in a conversation with Cambodia’s Hun Sen, who released a recording of their exchange.

Thailand’s Prime Minister Paetongtarn Shinawatra is facing increasing pressure to step down, after appearing to criticize the military in a 17-minute leaked phone call she had with Cambodia’s powerful former leader over an escalating border dispute.

Paetongtarn Shinawatra defends her ‘sympathetic remarks and softer tone’ during phone call as part of negotiation strategy to ease border tensions

Thailand Prime Minister Paetongtarn Shinawatra’s government is on the brink of collapse just 10 months into power, following a leaked phone call with Cambodian leader Hun Sen that has sparked public outrage and triggered a political crisis.