Two F-5 Tiger fighter jets crashed into a mountain in eastern South Korea during a routine training flight on Tuesday, the Yonhap news agency reported.
The accident took place near the coastal city of Gangneung, about 237 kilometers (147 miles) east of Seoul.
“We are currently searching for the missing pilots near the area,” Yonhap quoted an Air Force official as saying.
The official said two HH-60 rescue helicopters have been dispatched to the crash cite.
South Korea reportedly has 174 F-5E/F Tiger II fighters in service with its Air Force.
