A man has been arrested on suspicion of arson following a “devastating” blaze which saw multiple vehicles scorched. Fire crews were called to reports three commercial coaches were alight in Canal Road, Gravesend, at around 3am on May 16. Kent Fire and Rescue Service said four fire engines attended and crews wearing breathing apparatus extinguished the flames just before 4am. No injuries were reported and the fire service previously said the cause was believed to be accidental and linked to a possible engine fault. However, police officers have since arrested a 32-year-old man from Gravesend on…