Shot 07/03/2011.## With the combination of rising temperatures and the Fourth of July weekend, Los Angeles County beaches have attracted the largest crowds of the year.   According to Los Angeles County lifeguards, an estimated 1,183,000 people packed L.A. County beaches on Saturday. Sunday’s numbers are expected to exceed that amount. With the added fun in the sun, comes added danger. Officials said there have been 270 medical rescues including string ray hits, bike path accidents and heat-related sicknesses. There were also 244 water rescues.## raw footage of crowds at beach on Juky 4th holiday##