News, views and top stories in your inbox. Don't miss our must-read newsletter Sign up Thank you for subscribing We have more newsletters Show me See our privacy notice Invalid Email

Do not get on the wrong side of this door. No, literally, do not walk through the door.

The list of things that could go wrong if you do includes electrocution, hitting your head and a heavy fall.

Paddy O'Clery, CEO of digital sport company Chroma, spotted the door at Vauxhall tube station and tweeted a picture of it.

One person suggested it could be the Batcave...

We put in a call to Transport For London to ask if the door does lead to the Batcave, but they could neither confirm nor deny the claim.

One brave person said they would open the door. We wouldn't advise it.