Drone Investigation

South Korean authorities on Monday opened an investigation into whether civilians were responsible for drones that North Korea says crossed into its airspace, a case that has raised new security concerns on the Korean peninsula.

The inquiry comes after Pyongyang accused Seoul of carrying out provocations by sending unmanned aircraft across the border, an allegation South Korea’s military has firmly denied.

The Defence Ministry said the probe will focus on determining whether private individuals or groups may have operated the drones without government approval.

President Lee Jae Myung has ordered a swift investigation, warning that unauthorized drone flights would amount …