A bomb exploded in a shopping area in a northern Syrian city held by pro-Turkish fighters early Sunday, killing eight people and wounding more than 20 others, a war monitor said. At least “eight people were killed and 23 others wounded” when “a car bomb exploded in the middle of a popular market” in Aleppo province’s Azaz said the Syrian Observatory for Human Rights. The Britain-based Observatory, which has a network of sources inside Syria, said the blast caused “significant damage” and sparked a fire. An AFP correspondent saw emergency responders working at the scene and the remains of a man…