*Joint Release* Accidental Chimney Fire Deemed Cause of 4-Alarm House Fire in Concord December 30, 2019 by concordmapdcaptain Police Chief Joseph O’Connor, Fire Chief Thomas M. Judge and State Fire Marshal Peter J. Ostroskey report that the cause of the 4-alarm fire at 240 Fairhaven Hill Road on Friday, Dec. 27 was an accidental chimney fire.