Cambodia and Thailand have agreed to an “immediate and unconditional ceasefire” beginning at midnight local time (1 p.m. ET Monday), following days of clashes across the two countries’ disputed border.

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.

PUTRAJAYA, Malaysia (AP) — Thailand and Cambodia have agreed to an “immediate and unconditional” ceasefire in a significant breakthrough to resolve deadly border clashes that entered a fifth day, Malaysian Prime Minister Anwar Ibrahim said Monday.