Two people were seriously injured late Saturday afternoon in a motorcycle crash in Washington County, the Maine State Police said.

Brian Colby, 64, of Bucksport and his passenger, Brandi Rossell, 41, of Hudson, were traveling southbound on Route 9 in Crawford when Colby lost control of his motorcycle about 5 p.m., according to state police spokeswoman Shannon Moss.

Colby and Rossell suffered serious injuries, and were transported to a local hospital. Neither was wearing a helmet, according to Moss. Rescue units assisting were Downeast EMS, Life Flight, the Washington County Sheriff’s Office and local fire departments.

State police troopers are continuing to investigate the crash.