Egypt has recovered both black boxes from a Russian passenger plane that crashed in the country's Sinai peninsula on Saturday with the loss of all 224 people on board, the civil aviation minister told a news conference.
There are normally two black boxes on an aircraft, one for cockpit voice recordings and one for flight data. Egyptian authorities had earlier said they only found one.
A militant group affiliated to Islamic State in Egypt has claimed responsibility for downing of the plane, in a statement circulated by supporters on Twitter and on the Aamaq website, which acts as a semi-official news agency for Islamic State.
"The fighters of the Islamic State were able to down a Russian plane over Sinai province that was carrying over 220 Russian crusaders. They were all killed, thanks be to God," the statement circulated on Twitter said.
But Egyptian security sources earlier on Saturday said preliminary investigations suggested the plane crashed due to a technical fault.