South is Korea is investigating an unidentified drone that crashed landed on the border island of Baengnyeong on Tuesday. The incident occurred on the same day as North and South Korea both fired artillery volleys across the Maritime border between the two countries.

Wreckage of the drone was found on the island, which lies very close to the Northern Limit Line (NLL). Yonhap news reported that the South Korean authorities suspected that the drone originated from the DPRK.

“Military authorities retrieved the wreckage for analysis,” a defence ministry spokesman said.

Yonhap also quoted an anonymous government source as saying that