BILLERICA -- A single motorcycle accident on Bicknell Road in Billerica left one passenger dead and the other seriously injured early Thursday morning.

Christopher Murphy, 24, of Wilmington, died of injuries sustained in the accident. Keith Lucas, 22, also of Wilmington, sustained serious injuries and was transported to Lahey Hospital and Medical Center in Burlington, according to Billerica Police.

Billerica police are working in cooperation with State Police in their investigation.

We will provide updates as more details become available.