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 move by the Bhumjaithai party followed the leak of a recorded phone call between PM Paetongtarn and Cambodia’s former leader Hun Sen.

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.