Heavy combat between Thailand and Cambodia entered a second week on Monday, with Phnom Penh claiming that Thai bombing is hitting deeper into its territory, coming close to shelters for people who had already fled dangerous areas along the border.

Deadly fighting with Cambodia fuels nationalist sentiment, reshaping Thailand's political landscape ahead of the February 8 vote.

Thailand is stepping up efforts to inspect domestic shipping vessels in a bid to prevent fuel and military supplies being diverted to Cambodia as the border tension between the two nations persists.

Fighting that has flared along the Thai-Cambodian border has sent hundreds of thousands of Thai villagers fleeing from their homes close to the frontier since Monday. Their once-bustling communities have fallen largely silent except for the distant rumble of firing across the fields.

SINGAPORE: Singapore has called on Thailand and Cambodia to exercise restraint and for both sides to resolve their differences through dialogue amid escalating border clashes.

Thailand may escalate against Cambodia, weighing fuel and maritime curbs, with decisions due at a Monday security meeting.