SMYRNA, Del. -- The Smyrna Police Department is investigating after someone impersonated child protective services and tried to take another person's child away.

It happened Friday around just after 2:30 p.m. at a home on Harkins Drive.

The man who lives there told police that another man had just been at his home. The suspect knocked on the door, and told the resident that he was with child protective services and was there to take the children from inside his home, police said.

Police said the resident closed the door and called police, but the suspect knocked on the door again before taking off in a white four-door sedan.

According to Smyrna Police, the suspect was described as white, early 30's, and 6'0 tall. He was wearing khaki shorts, a white t-shirt, and sunglasses.

The investigation is ongoing. Police said that no legitimate "CPS" exists in Delaware and that anyone working for the state will provide proper identification. Police also said there is no active threat to public safety.

Police ask anyone with more information to contact SPD Detective Davis at 302-653-9217.