(Coos Bay, OR)  --  A man is behind bars and charged with arson for two fire bombings in Coos Bay and North Bend.  In a joint statement, the police departments in each city said an investigation led to the arrest of Chad Bunnell of Coos Bay.  It started Wednesday morning with a report of an explosion at home on Brussells Street in North Bend.  Later that morning a similar incident was reported at a Coos Bay home where one person was hurt.  Bunnell is being held at the Coos County Jail.