SURIN, Thailand -- Three Thai civilians were killed as heavy combat continued along the country's border with Cambodia, the Thai military said Thursday, marking the country's first civilian fatalities since the fighting resumed.

The Thai constitutional monarch, King Maha Vajiralongkorn, later approved Anutin’s proposal to dissolve parliament. Thailand will have to hold a general election within 45 to 60 days, as stipulated by its constitution.

Move follows a disagreement with the largest grouping in parliament, with elections to be held within 45-60 days