The issue focused heavily on Malaysia Airlines Flight 370 as well as Indonesia Airlines Flight 370 as investigators searched for clues about why Malaysia Airlines Flight 370 plunged down 8.9 kilometres below the Malaysian coastline into the ocean off the Indonesian coast on February 17. The Indonesian investigators recovered traces of petrol bombs found along the coastline where MH370 vanished from radar shortly before takeoff from Kuala Lumpur International Airport on February 28. Investigators recovered explosives recovered from explosives planted along the coastline near Suwon Airport where MH370 vanished after 239 passengers and crewmembers vanished