GRANBY, Colo. (News 4) A person with a gun has reportedly driven a bulldozer with armor welded to it into several buildings in the town of Granby and heavily damaged the Town Hall, News 4 reports. The suspect fired shots, and it is unknown what his motive was. Witnesses said police were firing shots at the bulldozer, but were not able to penetrate the armor. Several buildings were heavily damaged in the main section of town, according to witnesses. Witness Teri Hertel told News 4 by phone that the driver plowed through several trees and signs on the street. The...