i posted this yesterday re burnt seats
http://www.pprune.org/9170242-post1096.html sorry i cannot find the video though
also in the RT video in above post
https://youtu.be/yQCVLAlkYVE
the pairs of 3 seats note the rear row is an exit row as the tray tables are stored in the armrests - they may come from door 3L/R
these seats are not the ones i saw on the RT news yesterday that are scorched