Youth who have received positive tickets over the summer from Grass Valley Police Dept. officers at Thursday Night Market are encouraged to come to Round Table Pizza in Grass Valley tonight for free pizza and raffles. Parents are invited and encouraged to contribute toward the cost of their own dining. Members of NEO will attend in addition to GVPD officers and a member of the city council. The event is from 5 to 7 p.m. with the raffle beginning around 6 p.m.