Employee steals airplane from Seattle Airport, crashes later

This is insane. An Airline employee stoten an Airplane at Seattle airport today. Yes, you heard it right. But after stealing this plane was chased by two military jets before crashing on an island.
This is very first time news that anybody could steal airplane too. The Horizon air Q400 of Alaska airlines stolen by an employee from airport that results interruption in air traffic. According to ABC news the plane was diverted from the city away by US airforce fighter jets. The employee who taken flight to the sky was not confident of landing back to the airport. According to Airlines there were no passengers on board at time of incident.