Cleveland city officials said the large pieces of debris will be brought to the surface from an area searched Friday, though it remains unclear if the debris is from the corporate jet that vanished after takeoff from Burke Lakefront Airport on December 29.

Divers and crews began extracting additional pieces of debris from the water around 1:30 p.m. Investigators are carefully inspecting recovered debris.

The city says Monday that large pieces of debris have been spotted on the lake bottom and will be brought to the surface from an area searched Friday.

Divers and boat crews searching for the wreckage of a plane carrying six people that vanished over Lake Erie have found large pieces of debris that may be part of the fuselage.

The Cuyahoga County Medical Examiner's Office is still working to confirm whether remains found on the seat last week were those of a human. Officials have not yet said what caused the plane to suddenly lose altitude and drop from radar about 11:30 p.m. December 29.

Recovery efforts continued January 9 for six people last seen in Cleveland Dec. 29, 2016.

A memorial service was conducted in Canfield on Monday for members of the Fleming family. A second memorial is planned Tuesday at Liberty Presbyterian Church in Delaware. It was en route to an airport in Columbus, Ohio.

Brian left behind his wife and two other children, the obituary says.