The victim fell to the bottom of the tank and colleagues and the emergency services had to get down to secure the person.
– The person is out of the tank and was awake and able to speak when the paramedics took over. We have no information about a possible state of damage, says an alarm operator at SOS.
The emergency services were about to leave the accident scene at 3 p.m., while the road ambulance and helicopter are still on the scene.
The article is updated.