Cambodia went back to the court in 2011, following several clashes between its army and Thai forces that killed about 20 people and displaced thousands. The court reaffirmed the ruling in Cambodia’s favor in 2013. Cambodia has again turned to the international court to resolve the border disputes but Thailand has rejected the court’s jurisdiction.

Artillery fire erupts along disputed frontier as each side blames the other for the escalation amid US call for truce.

Thailand and Cambodia may hold talks as soon as Sunday to bring an end to their deadly border clashes after US President Donald Trump warned Washington wouldn’t make a trade deal with either country while the conflict continued.

The two nations have been locked in a decades-long conflict over their contested border. Tensions in disputed territories soured earlier this year.

The conflict between Thailand and Cambodia escalated into rare armed exchanges, involving artillery and airstrikes, resulting in civilian casualties. The dispute involves a long-standing debate over the sovereignty of the border.

Tensions have bubbled between the two neighbors for months, flaring on Thursday as Cambodia and Thailand exchanged fire.

Long-running tensions have spilled over into heavy exchanges of fire in the disputed border region between Thailand and Cambodia.