DOUGLASVILLE, Ga. -- An 18-year-old father is accused of killing his 2-month-old son, Douglas County authorities said Thursday.

Alonzo Toler has been charged for allegedly killing 2-month-old Demond Toler. Demond was pronounced dead Wednesday night at Children's Healthcare of Atlanta. Hospital officials said it appeared the baby was suffering from a fractured skull and other injuries.

Police said they believe Alonzo Toler punched his baby and threw him to the floor.

VIDEO: Dad Accused Of Killing 2-Month-Old Son

"Upon interviewing Mr. Toler, he has told investigators from my department and the Major Case Unit that he punched the child and threw the child down on the floor sometime between the time he got the child and the time we got the call from the hospital," said Douglasville Police Chief Joe Whisenant.

Officials said they are still investigating and trying to determine exactly what happened.

The baby's mother lives in Riverdale. Officials said Alonzo Toler picked his child up from the mother late Tuesday night.

Toler is in the Douglas County Jail.