COLUMBIA, S.C. - Richland County deputies say two men have been shot to death in a Columbia home and a man and a teen girl are being questioned.

Investigators said a 22-year-old man and a 26-year-old man were found dead in the home about 2 miles from downtown Friday morning.

Deputies say that troopers took two people into custody in Aiken County - a 15-year-old girl and a man in his 20s. Detectives are talking to them. No charges have been filed.

Investigators are trying to determine a motive for the shootings. The names of the victims have not been released.