Police and firefighters investigated a suspicious package left at the Greyhound bus station in downtown Dallas for more than four hours Friday night. Authorities removed a suspicious package Friday night from the Greyhound bus station in downtown Dallas. Authorities had not determined the package's contents late Friday. A security guard found the package shortly before 6 p.m. in the bay area where the buses pull in, Dallas police Lt. Jan Easterling said. Police think the package came in on a bus, but it was unclear which bus or whom it came from. The large package was unmarked and contained...