KATU TV, a news partner of the Portland Business Journal, and several other news outlets are reporting that shots were fired at the Clackamas Town Center. The Oregonian is reporting that two people have been killed. The shots were fired about 3:20 p.m., according to KATU. The Oregonian newspaper said some callers reported as many as 20 shots were fired. Entrances to the mall have been blocked off. Oregonian columnist John Canzano said on Twitter that he was pulling up to the mall when he saw panicked…