Update: February 29, 2016 - Helena Buarque De Macedo's age has been confirmed.  She is 15 years old.

Detectives with the Montgomery County Police Collision Reconstruction Unit are investigating a collision that occurred Saturday night that involves three fatalities.

On Saturday, February 27 at approximately 6:56 p.m., 2^nd District officers and Fire and Rescue personnel responded to River Road and Pyle Road for a report of a serious collision.  Investigation determined that a blue, 2016 BMW M235, operated by Ogulcan Atakoglu was traveling west (outbound) on River Road.  At the same time, a gray, 2016 Chevrolet Volt, operated by Michael Buarque De Macedo, was traveling east (inbound) on River Road.  As the Volt was attempting to turn left onto Pyle Road the two vehicles collided.

The four occupants in the Volt, a family of two parents and two children, were all seriously injured.  Three occupants succumbed to their injuries on the scene.  They are being identified as, Michael Buarque De Macedo, 52 years old, driving, Alessandra M. Buarque De Macedo, 52 years old, a rear seat passenger, and Thomas Michael Buarque De Macedo, 18 years old, the front seat passenger.  Helena Buarque De Macedo, a rear seat passenger, was transported to a local trauma center with life threatening injuries.  Her age cannot be confirmed at this time, but she is believed to be a teenager**.  Mr. and Mrs. Buarque DeMacedo lived with their son Thomas and daughter Helena in the 7000 block of Loch Lomond Drive in Bethesda.

Ogulcan Atakoglu, 20 years old, was transported to a local trauma center with non-life-threatening injuries.

This collision remains under investigation.  Anyone with information regarding this collision is asked to contact the Collision Reconstruction Unit at 240-773-6620.

 **February 29,2016 - Helena Buarque De Macedo's age has been confirmed.  She is 15 years old.

PRS