Bird strike traces found in engines of Jeju Air plane that crashed killing 179 - Jeju Air crash investigation finds new evidence suggesting bird strikes caused disaster - South Korean plane crash probe focuses on bird strike, runway barrier - Bird strike halts Air NZ flight from Christchurch to Brisbane - South Korea plane crash: Experts question bird strike theory as cause of deadly Jeju Air flight - Experts question bird strike as cause of S. Korea's deadly plane crash - Eyewitnesses to South Korea plane crash recount sparks in engine, bird strike before collision - Experts wonder if bird strike caused South Korea plane crash: 'more questions than answers' - South Korea's worst-ever plane crash highlights dangers of bird strikes - Pilot reported bird strike and declared mayday before South Korea plane crash