The leaders of Cambodia and Thailand agreed to a ceasefire in a bid to bring an end to their deadliest conflict in more than a decade.

Cambodia and Thailand agreed to a ceasefire on Monday, set to start at midnight local time, after attending talks in Malaysia aimed at ending a 5-day border dispute that has left dozens dead.

U.S.-backed talks to end the border war, in which militaries have killed dozens of people and displaced hundreds of thousands, began on Monday in Malaysia.