Thailand and Cambodia have agreed to an "immediate and unconditional ceasefire" after five days of fighting at their border killed at least 33 people and displaced tens of thousands.

Thailand and Cambodia have agreed to a ceasefire following days of border clashes which claimed dozens of lives and displaced nearly 300,000 people.

Thailand and Cambodia traded accusations Saturday of fresh attacks as deadly border clashes entered a third day, leaving at least 33 people dead and more than 168,000 displaced, as international pressure mounted on both sides to reach a ceasefire.