The city of Chelsea will sponsor the second annual &8220;The Big Kaboom!&8221; on Thursday, July 3 at 8 p.m. The fireworks show will be at Chelsea Park subdivision on U.S. 280. Admission is free. For more information, call 678-8455 or 669-9075 or visit http://www.cityofchelsea.com. The event is sponsored by the city of Chelsea, Alabama Power, M& Bank, Chelsea Park subdivision, Spencer Engineering and Smith Chiropractic.