Two died in the canton of Zug within two hours on Saturday; a man’s body was found in a bathing establishment in Oberägeri and a woman was found in Lake Zug.
According to police, there was no sign that any third parties were involved.
Also, a 15-year-old boy died in the Limmat river in canton Zurich. He had been missing since Saturday evening, after jumping into the water and not resurfacing.