SEATTLE -- An Edmonds man has been arrested and charged with arson for allegedly burning police cars during a riot in Downtown Seattle last May, federal prosecutors announced Wednesday. Several police cars were set ablaze during the protests on May 30. Investigators obtained various videos that showed a man wearing distinctive clothing using two "Molotov Cocktail' devices in an attempt to burn two police vehicles, prosecutors said. Detectives identified 20-year-old Kelly T. Jackson as their suspect after getting an anonymous tip and matching Jackson to the person seen on the videos.