A worrying increase in people drowning while trying to rescue others this summer has prompted a warning from Surf Live Saving Australia. Australians are being urged to plan for visiting the beach like they would for a road trip. Five people have died in bystander rescue drownings since Dec. 1, according to Surf Live Saving Australia—a figure normally expected over a 12-month period. They include a woman in her 20s who swam out with several others to rescue a teenage girl struggling in the water at Venus Bay, near Melbourne, last week. She got into difficulty before being pulled from the water by an off-duty lifeguard. Everyone else made it safely back, including the teenager. NSW police officer Kelly Foster, 39, died on Jan. 2 in the Blue Mountains after attempting to rescue another canyoner from a whirlpool at Mount Wilson. The canyoner, 24-year-old software engineer Jennifer Qi, also died. “We’re starting to …