HARIPUR: A prisoner died of heart attack at the Haripur jail here on Tuesday, the authorities said. The deceased Faisal Qudus, 36, belonging to Pharhala village, was undergoing life-term. He had been convicted of kidnapping a South African national for ransom about a decade back. Jail sources said that Faisal Qudus was diagnosed with heart problem a few months back and was admitted to the District Headquarters Hospital for a week. On Tuesday morning, he was sitting with his family members, who had come to see him, when he suffered a heart attack.