Rescue personnel at the scene of an accident in Westford on Saturday night.
Rescue personnel at the scene of an accident in Westford on Saturday night. (SUN/ROBERT MILLS)

WESTFORD -- At least one person was flown to a Boston trauma center with serious injuries following a single-car crash on Graniteville Road in Westford Saturday night.

Police were called to the area of 32 Graniteville Road about 9:30 p.m. where they found an occupant of an Audi sedan who appeared to have been ejected, according to police and fire department radio broadcasts quoted on Twitter.

Police closed Graniteville Road while Westford police and troopers from the state police Collision Analysis and Reconstruction Section took measurements and photographs of the crash site.

It was not immediately clear what caused the crash.

Police did not immediately release further information.

Watch for updates at lowellsun.com.