(VOVworld) - South Korea and the International Civil Aviation Organization (ICAO) discussed ways to cope with North Korea's unannounced ballistic missile launches, said an official of South Korea’s Ministry of Foreign Affairs on Thursday.

This photo, released by North Korea's state-run Rodong Sinmun newspaper on July 20, 2016, showed a ballistic missile being fired during a drill at the Hwasong artillery units of the North Korean Army's Strategic Force (Photo: YONHAP/VNA)

Korea’s Vice Foreign Minister Cho Tae-yul and ICAO Secretary General Fang Liu also mentioned North Korea's jamming of Global Positioning System (GPS) signals along the border.

The official said they discussed actions that can be taken in response to North Korea's failure to inform its ballistic missile tests.