There was a gas leak in the center of Vienna. The leak was right at St. Stephen's Square. Workers from Wiener Netze made a regular check. They noticed the gas escape during this check.
The workers told the emergency forces right away. The fire department came with many vehicles. The police were also there. They closed the area around the construction site. The gas leak was in a pit.
Experts looked for the exact spot. They needed to find the gas pipe connection. Then they could close the leak. The danger ended after a short time. No person got hurt.
The closing of St. Stephen's Square ended. People can walk there normally again. The subway kept running the whole time. There was no danger for the train passengers.