Casualties include an 8-year-old Thai boy and multiple Cambodian civilians. Thousands of displaced families are sheltering with monks, NGOs and volunteers as schools and markets close across the border region.

A ceasefire between Thailand and Cambodia appeared to largely be holding on Tuesday as military commanders from both countries met for negotiations, even as the Thai army accused Cambodian troops of violating the truce overnight.

Both sides have accused each other of firing the first shot as border tensions between the two South East Asian neighbours heat up.