Nanaimo RCMP say they’re looking to speak with key witnesses after arresting a man accused of deliberately setting several brush fires on Tuesday. Police were called to the area of Northfield Road and the Nanaimo Parkway just before noon to multiple witness reports a man was setting fires on walking trails. The resulting fires forced the closure of Highway 19 and Northfield Road for more than an hour as fire crews dealt with flames in a number of locations. On Wednesday, Mounties said they haven’t been able to locate several people who were at the chaotic scene shortly after noon....