"To date, 137 relatives have been interviewed. All necessary investigative work has been conducted. They are recognized as affected persons. This work is in progress," the press service quoted him as saying.
The emergency response center expects that relatives will continue to arrive on November 1.
"Our team of investigators is working and will work all night long," the statement said.
According to the latest reports, people from 13 Russian regions, including 147 residents of St.Petersburg, as well as Ukrainian and Belarusian citizens died in the plane crash in Egypt.