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WINSTON-SALEM, N.C. — Authorities are investigating after three cars and a motorcycle went up in flames early Tuesday morning in downtown Winston-Salem.

Officials said the fire was reported just before 1:30 a.m. at the parking lot of Gray Court Apartments along Fifth Street.

Authorities said the fire did not spread to the apartments. The vehicles involved were damaged. No injuries were reported.

Officials are investigating a cause of the fire and have not said whether or not it is believed to have been suspicious.