By Anadolu staff
A civilian helicopter crashed in South Korea's northern city of Pocheon on Tuesday, Yonhap news agency reported.
The aircraft crashed in the reservoir in the city, which is 52 kilometers northeast of Seoul, at 11:08 a.m. local time (0208GMT), according to officials. A rescue operation is under way for one person suspected to be on board.
The helicopter, said to have crashed while conducting a forest fire prevention exercise, is currently underwater in the reservoir, estimated to be 10-13 meters deep.
*Writing by Islamuddin Sajid