Investigators cast doubt on Flight 370 'fire catastrophe' theory

Accident investigators have cast doubt on the possibility that blackened debris found on Madagascar is evidence of a catastrophic fire aboard the missing Malaysia Airlines Flight 370 jet.

Wreckage hunter Blaine Gibson hand-delivered five pieces of debris last week to the Australian Transport Safety Bureau which is are searching for the Boeing 777 that is thought to have plunged into the Indian Ocean south west of Australia in 2014, killing 239 people.