Dhaka, July 25 -- Tensions between Thailand and Cambodia surged Thursday as deadly border clashes erupted, killing at least 12 people - mostly Thai civilians - and prompting Thailand to launch airstrikes in response.

Thai and Cambodian forces exchanged fire across at least six border areas, using small arms, artillery, and rockets. Thailand's Defense Ministry confirmed the use of F-16 fighter jets in airstrikes, claiming self-defense after Cambodian rocket attacks. The clashes followed a landmine blast Wednesday that injured five Thai soldiers, prompting Thailand to expel Cambodia's ambassador and withdraw its own from Phnom Penh.

Public Health Minister Somsak Thepsuthin reported that among the dead were 11 civilians and one soldier, wi...