Fresh cross-border clashes between Thailand and Cambodia broke out on Sunday hours after US President Donald Trump announced the two Southeast Asian nations had agreed to ceasefire talks.

Negotiations to end the border conflict, which has killed dozens of people since it began last week, are scheduled for Monday in Malaysia’s capital.

State Department officials are currently in Malaysia to assist in the ceasefire talks between Thailand and Cambodia, Secretary of State Marco Rubio announced. The two Southeast Asian countries have been involved in a deadly border conflict since late last week,