GLENDALE – A suspect was in custody today on suspicion of arson after a fire sparked by fireworks damaged four units of a Glendale apartment building, police said. Kevin Cunningham, 22, is accused of using fireworks inside the building in the 800 block of Chevy Chase Drive, officials said. The fire began about 2:45 a.m., destroying one unit and damaging three others. Cunningham was treated for second-degree burns suffered in the fire, officials said. 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set!