No person shall have in his or her possession in any public park any firearm, air gun, illegal knives, slingshot, bow and arrow, BB gun or any other item determined a weapon by the director or a Murrieta public safety officer. Nor shall any person discharge or shoot any firearm, air gun, slingshot, bow and arrow, BB gun or any other determined weapon within any public park within the city, except when permitted by the director as a part of a city sponsored or authorized recreational activity. (Ord. 220 § 9, 2000)