Cambodia’s civilian death toll has reached nine with 20 people reported injured.
The Thai military says three soldiers have been killed and 29 people injured.
Tens of thousands of people living along the border areas have evacuated to shelters.
Thailand’s foreign minister told Al Jazeera that there was no space for diplomacy in the current conflict and that a peace deal “must come from Cambodians – they must stop the way they’ve been doing things.”