Overnight, there was another explosion at the home of the frequently targeted plumber Ron van Uffelen on Gretha Hofstralaan in Vlaardingen. No one was hurt in the blast, which happened at around 1:30 a.m., and the damage is limited, Rijnmond reports.The police cordoned off the area around the house and are investigating. Two suspects were seen fleeing the scene, but no one has been arrested yet.