Incredible footage has emerged from Bondi Beach in Australia of some of the lifeguards swimming with eight sharks.<br /><br />The footage, shot on July 19 both from above and under the water, shows Dean Gladstone and other lifeguards swimming with grey nurse sharks in the middle of a huge bait ball. <br /><br />"Someone with a drone said there where up to 16 sharks," Gladstone wrote online.<br /><br />"We set off shark alarm and launched jet ski. The sharks were grey nurses not know to be dangerous."