The FlyDubai flight initially triggered a 7700 “general emergency” signal, aviation tracking site FlightRadar24 reported. It then switched to a 7500 code, suggesting “unlawful interference,” before switching back to a 7700, the tracking site said.

The captain and co-pilot of the flydubai plane were found to have injuries and transported to hospital after an emergency landing in Saudi Arabia.

The copilot who stabbed the pilot of a flydubai plane headed for Tel Aviv has been arrested for attempting what Israel’s defense minister has branded “a jihadist terrorist attack

The airplane took off from Apple Valley earlier that day, but investigators have not determined its intended destination because no flight plan was filed.

Israeli media say incident, which raised fears of possible hijacking, stemmed from feud between plane’s two pilots