Cambodia and Thailand exchanged fire across their disputed border for a fourth day on Sunday, hours after US President Donald Trump announced the two Southeast Asian nations had agreed to ceasefire talks and threatened continued fighting would jeopardize their trade deals with Washington.

Fighting on the Thai-Cambodian border extended into a third day and new flashpoints emerged on Saturday as both sides sought diplomatic support, saying they had acted in self-defence and calling on th...

Thailand’s foreign ministry said after midnight that Acting Prime Minister Phumtham Wechayachai had spoken to Trump “and expressed that Thailand agrees in principle to have a ceasefire in place”.