Thailand's Bhumjaithai Party on Wednesday withdrew from Prime Minister Paetongtarn Shinawatra's government in a major blow to the embattled premier, leaving her ruling coalition with only a slim majority.

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.

The second-largest party in Thai Prime Minister Paetongtarn Shinawatra’s government quit the ruling coalition, a major setback for the leader facing calls for resignation for blaming her own military for escalating a border dispute with neighbor Cambodia.