Human remains found from EgyptAir crash at sea; sensor detected disturbance

* Unconfirmed flight data points to problems before crash* Sensor detected disturbance outside jet -U.S. officials* Egyptian navy searching area of 5,000 square miles* No cause, including terrorism, ruled out so far

Egypt said its navy had found human remains, wreckage and the personal belongings of passengers floating in the Mediterranean, the first confirmation that an EgyptAir jet with 66 people on board had plunged into the sea.

Unconfirmed reports about flight data from the Airbus plane that disappeared while flying from Paris to Cairo in the early hours of Thursday local time pointed to several problems that its veteran pilot may have struggled with minutes before the crash.

"The Egyptian navy was able to retrieve more debris from the plane, some of the passengers' belongings, human remains, and plane seats," the Civil Aviation Ministry said in a statement.

President Abdel Fattah al-Sisi offered condolences for those on board.

The navy was searching an area about 290 km north of Alexandria, just south of where the signal from the plane was lost early on Thursday.

There was no sign of the bulk of the wreckage, or of a location signal from the "black box" flight recorders...