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.

BANGKOK — Thailand and Cambodia reaffirmed their shaky ceasefire on Wednesday after China helped mediate a peace process to end days of border fighting.

Thai and Cambodian leaders are meeting in Malaysia in an urgent effort to resolve deadly border clashes that entered a fifth day despite mounting international calls for peace.