A Lexington father and son were robbed inside their apartment Wednesday night. Police say a man and his father had just returned home to their Cambridge Drive apartment and opened the door around 11 p.m. when two men pushed their way inside. The robbers forced the victims to lie on the floor at gunpoint and took their wallets.The victims were not hurt. Officers say they only got a vague description of the suspects. They are looking for a red or maroon 4-door Pontiac Grand Prix that may be connected to the crime.