More cleanup work is planned in Sarnia’s Rainbow Park. The former site of a homeless camp that ended in February remains fenced off with security as Sarnia city staff work to clean it up. So far, that’s included raking and cleaning the grass, disinfecting playground equipment and removing garbage and debris, even using a magnet, from the playground area, city officials said in a recent report to council. “We’re just working to bring that park back up to the same standards