A home invasion robbery with a gun is being investigated by police in Columbia.
According to the department it happened in the 2800 block of Mexico Gravel Road just after midnight (Wednesday).
A 24 year old woman and one year old child were inside the house.
The female answered the door after a knock and saw a women, then three black men forced entry.
One of the suspects brandished a firearm and held the victim while the other two searched the residence.
One of the suspects hit the child causing minor injuries.
The suspects then took property from the home and left the area.
Anyone with information is asked to CrimeStoppers.