MH370: Which conspiracy theories can be ruled in and out?

Updated July 31 2015 - 2:13am, first published 1:10am
Possible MH370 debris has washed up on the shore of Reunion, a French island in the Indian Ocean. Photo: Video still from Reuters
Possible MH370 debris has washed up on the shore of Reunion, a French island in the Indian Ocean. Photo: Video still from Reuters