This from France 24:
The cockpit voice recorder (CVR) of the Russian plane that crashed in Egypt has confirmed there was an explosion on board Metrojet Airbus A321, French media reported Friday, citing an expert source.
Data from the CVR that was retrieved from the crash site in Egypt’s Sinai Peninsula has revealed that there was an explosion on board the flight, reported French weekly Le Point, quoting an unnamed expert.
AFP reports the same, quoting an unnamed source close to the investigation.