An explosion ripped through an oil pipeline in the northern Tunisian city of Bizerte on Friday, causing a huge fire and prompting residents in at least one district to flee, residents and rescue service workers said. Bizerte, a garrison town that houses Tunisia's only oil refinery, is located 70 km (43 miles) from Tunis. "A huge explosion rocked the oil pipeline from the refinery to the port that feed ships docked there," Zouheir Khelifi, who resides in the Intilaka neighbourhood some 600 meters (yards) from the pipeline, told Reuters. "More than 200 families from our neighborhood left home. We are still outside our homes. The explosion was huge," he added.