World  - Thousands of people packed a church in the U.S. state of Georgia on Saturday for the funeral of Troy Davis, a black man who was convicted of killing a white police officer more than 20 years ago.

 The service was held at Jonesville Baptist Church in the coastal city of Savannah. Many in the church wore "I am Troy Davis" T-shirts.

 he case drew international attention because of claims by his advocates that he was innocent. Davis' lawyers have long argued he was a victim of mistaken identity.The 42-year-old's case was heavily disputed after most of the witnesses recanted or changed their testimony.Davis was put to death by lethal injection on Sept. 21 at a prison in central Georgia for the murder of police officer Mark MacPhail in 1989.