US President Donald Trump on Saturday announced that both the leaders from Thailand and Cambodia have agreed to meet immediately for ceasefire talks after three days of clashes

The updated U.S. travel advisory comes amid concerns over an escalation of a long-standing dispute between the two Southeast Asian neighbors who share a 500-mile land border—largely mapped by France when it ruled Cambodia for 90 years until 1953.

SISAKET, Thailand/WASHINGTON, July 26 (Reuters) - U.S. President Donald Trump said on Saturday that the leaders of Cambodia and Thailand had agreed to meet immediately to quickly work out a ceasefire, as he sought to broker peace after three days of fighting along their border.

The current clashes erupted on Thursday with an exchange of fire near Prasat Ta Muen Thom, an ancient temple claimed by both nations. It followed two months of tensions over contested territory that began in late May after a Cambodian soldier was killed in a skirmish.

Thailand and Cambodia exchanged heavy artillery fire for a second day on Friday as their worst fighting in over a decade intensified and spread to new areas.

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.