A father and son look on as their order is cooked in the brick oven at the Wild Fire Pizza food truck. The Food Truck Rally & Campout at Mercer County Fairgrounds will continue today and Sunday, with a variety of events, including laser tag, swap meets and scavenger hunts for campers and visitors. Tonight's entertainment will include the opening act of The Little People & Party Poison from 5-7 p.m. and country music star Ray Scott from 8-10 p.m. The rally is free and open to the public.