CNIS inauguration du 5 mai
Politics, policy and administration

The City of Luxembourg wishes to inform the public that regular testing of the city's network of warning sirens will be carried out as part of the nationwide testing programme as of July 2022. Starting on 4 July 2022, monthly testing will be carried out on the network of warning sirens every first Monday of the month around noon and will last about one minute. The sirens are specifically designed to be used in case of a nuclear alert.