An explosion has killed and injured scores of people in the city of Lashkar Gah in Afghanistan's restive south, officials say. "A car bomb blast happened at the entrance gate to the sports stadium in the first Police District of Lashkar Gah city," Helmand province's police spokesman Salam Afghan said Friday. Helmand governor spokesman Omar Zwak said the blast killed at least 14 people and injured 47 others. "The explosion happened at a time when spectators were leaving the stadium after the wrestling match had finished," he added. The police spokesman had initially given a toll of two dead and 20 injured. Meanwhile, the Italian NGO Emergency put the death toll at four, with 35 wounded who had been transferred to its hospital in Lashkar Gah.