A ceasefire between Cambodia and Thailand appears to be holding, hours after it came into effect at midnight local time (1 p.m. ET Monday), following days of clashes across the two countries’ disputed border.

PUTRAJAYA, Malaysia (AP) — Thailand and Cambodia have agreed to an “unconditional” ceasefire starting at midnight, Malaysian Prime Minister Anwar Ibrahim said Monday, a significant breakthrough to resolve five days of deadly border clashes that have killed dozens and displaced tens of thousands of people.

The leaders of Thailand and Cambodia have agreed to an “unconditional cease-fire” set to go into effect at midnight following five days of deadly clashes over their disputed border, Malaysian Prime Minister Anwar Ibrahim said Monday.