Police arrested a man late Tuesday after he allegedly attacked and robbed a person of $100 at the South Gold Street dog park in Centralia. According to court documents, the suspect believed the alleged victim had stolen his backpack containing $100 and drugs. Steven R. Luurs Jr., 46, of Centralia, is charged with one count of second-degree robbery, a Class B felony punishable by up to 10 years in prison. Luurs faces an additional count of poss…