Round Rock's all-day celebrations will include a parade throughout downtown, pig races, a speech by Mayor Craig Morgan, and musical performances. The Elevation Band will take the stage at 7 p.m., and the Austin Symphonic Band will perform alongside the fireworks show around 9:30 p.m.

Fourth of July fireworks will return Friday on NBC, PBS and CNN. The networks will air TV specials such as "Macy's 4th of July Fireworks Spectacular."

From smoke balls and sparklers to firecrackers and mortars, fireworks are a staple of many Fourth of July weekend festivities. But with the vast displays of these brightly colored pyrotechnics comes many safety risks,