Thailand and Cambodia have accused each other of new attacks as border clashes continue for a third day, leaving at least 33 people dead and over 168,000 displaced as international pressure mounts to reach a ceasefire.

Fighting on the Thai-Cambodian border extended into a third day and new flashpoints emerged on Saturday as both sides said they had acted in self-defence in the border dispute and called on the other to cease fighting and start negotiations.

By Shoon Naing and Artorn Pookasook SISAKET, Thailand (Reuters) -When the Thai and Cambodian armies began shelling at their contested border on Thursday, Komsan Prachan thought his family was far enough away from the fighting to be safe.