An explosion rocked Kandahar city in Southern Afghanistan on Sunday, killing at least 80 people and injuring dozens, DPA quoted the provincial governor as saying. "According to information from the hospitals, 60 dead bodies are in there (hospitals) and another 20 dead people were taken away by their relatives, so in total 80 people were killed," Assadullah Khalid told reporters in Kandahar. The governor said a suicide bomber detonated his explosives in a crowd of people gathered in the western part of the city to watch a dog-fighting competition.