"The investigations are still ongoing and the report from the forensic medicine authority has confirmed the presence of traces of explosive materials on the victims' body fragments as well as some metal, plastic and solid materials from the plane wreckage that were stuck to the body parts at the crash scene".
The French investigation agency BEA said Friday that the "most likely hypothesis" is that a fire broke out in the cockpit and "spread rapidly, resulting in loss of control".
Officials recovered flight recorders that were analyzed two months after the crash because advanced fix work was needed first, the new report from investigators with France's Bureau of Enquiry and Analysis for Civil Aviation Safety, known as BEA said.
Because of this, it transferred the case to the Egyptian Prosecution Bureau for further investigation.
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Authorities have said the mission could take up to four days to complete and heavy rain is forecast in the coming days. It could be at least seven days before they can be released from hospital, Jedsada told a news conference.
The MS804 flight travelling from Paris to Cairo carried 40 Egyptians, 15 French people, two Iraqis, two Canadians and one passenger from each of Algeria, Belgium, Britain, Chad, Portugal, Saudi Arabia and Sudan. In this meeting, the Egyptian authorities explained that as it had been determined that there had been a malicious act, the investigation now fell within the sole jurisdiction of the judicial authorities.
In a press conference on the day of the crash, Egypt's civil aviation minister Sherif Fathy said a terrorist attack was most likely behind the crash.
It noted that Egyptian investigators had not published their final report, adding that the BEA was ready to resume work with Egyptian authorities if they were to resume work on the probe. Onboard the liner there were 66 people, among whom were citizens of Egypt, France, UK, Canada.
"The BEA considers that it is necessary to have this final report in order to have the possibility of understanding the cause of the accident and to provide the aviation community with the safety lessons which could prevent future accidents".