Updated at 12:05 p.m.: 

The Middlesex Sheriff's Department released the following statement identifying Edward “Teddy” Dillon III of Lowell, as the corrections officer that was killed Wednesday:

"The Middlesex Sheriff’s Office is mourning the loss of Correction Officer Edward “Teddy” Dillon III, 27 of Lowell,  who  was a respected member of the Middlesex Sheriff’s Office since 2008. Teddyworked the 12 a.m.–8 a.m. shift at the Middlesex House of Correction in Billerica and his job included conducting routine perimeter checks of the facility and nearby Middlesex Sheriff’s Office property.

Sheriff Koutoujian issued the following statement: “My thoughts and prayers, as well as those of the entire Middlesex Sheriff’s Office, go out to Officer Dillon’s family, friends and colleagues.  We know the work of correction officers is difficult and dangerous,  but  that does nothing to ease the pain and shock when we lose one of our own.    The Middlesex Sheriff’s Office will work to ensure that our officers and the Dillon family have the support they need as we grieve Teddy’s passing.”

The Massachusetts State Police Collision Analysis and Reconstruction section is conducting a review of this incident."

Original Story:

Massachusetts State Police are investigating a single-car crash involving a Middlesex County Sheriff's Department vehicle, killing the driver, according to FOX25.

The single-car crash happened Wednesday at 4 a.m. on Treble Cove Road in Billerica. The name of the driver has not been released.

The sheriff's headquarters is in Billerica, and there is also an office in Framingham.

Massachusetts State Police spokesman David Procopio, in a statement, said a state police crash reconstruction team has been sent to the scene of the crash, but that no other details were being released.

Fox25 reported the police cruiser sustained heavy front-end damage.

There is no word on the cause of the accident.

Check back with Wilmington Patch for more details as they become available.