The fire department evacuated an office building in Bunnik on Monday after at least 21 people became unwell. There is no danger to the environment, the local safety office said on Twitter. Firefighters are taking measurements to find out what caused the symptoms, NU.nl reports.
Around 120 people work in the office building. They were given shelter at a nearby hotel while firefighters perform their work. One person had to go to hospital. The rest were treated by paramedics at the scene.