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.

Ceasefire talks between Cambodia and Thailand were underway in Malaysia on Monday after days of deadly clashes on their disputed border sent civilians scrambling for safety and relations between the two neighbors cratering.

Thailand and Cambodia have agreed to an “immediate and unconditional” ceasefire from midnight to resolve deadly border clashes, Malaysian Prime Minister Anwar Ibrahim