Hundreds of thousands of Cambodian migrant workers have returned from Thailand following deadly border clashes between the two neighbors, a labor ministry official told AFP on Wednesday.

Senior security officials from Cambodia and Thailand began talks in Malaysia on Monday aimed at de-escalating border tensions, after the worst clash between the two Southeast Asian nation neighbors in decades left more than 40 dead.

PUTRAJAYA, Malaysia (AP) — Thailand and Cambodia agreed Monday to an unconditional ceasefire during a meeting in Malaysia, in a significant breakthrough to resolve five days of deadly border clashes that have killed dozens and displaced tens of thousands.