Thailand's military has closed border crossings into Cambodia to almost all travellers, including tourists and traders, citing security concerns as tensions between the two Southeast Asian neighbours remain escalated over a simmering border dispute.

Thailand is imposing new border restrictions including blocking tourists from entering Cambodia as the two countries engage in retaliation in their border dispute.

BANGKOK: Thailand announced a raft of security and trade measures to cripple transnational crime syndicates in Cambodia, as Prime Minister Paetongtarn Shinawatra seeks an upper hand in a simmering border dispute with its neighbour.