Laughing gas canisters found in lake

More from Bitesize News

• Twint scam warning

  Switzerland has launched a national campaign to help the public spot online scams that exploit the Twint payment app

• Water ban in parts of Valais

  Val de Bagnes has banned residents from using the irrigation network to water gardens and lawns, as Valais water reserves fall to critical levels

• New insurance premium initiative

  Switzerland's Socialist Party is expected to launch signature collection today for an initiative linking health insurance premiums to household income

• Rail link critical

  The Lausanne-Geneva rail line must be Switzerland's "absolute priority", according to the country's public transport association

• Income not enough for many households

  Nearly 360,000 Swiss workers already earn too little to support their households, and the imminent health premium announcement threatens to push more families under

• Speed limit decrease in parts of Lausanne

  Several new streets in central Lausanne will drop to 30 kilometres per hour from 12 October, day and night, according to a letter the city has sent to affected residents