“What a moment’ – Cologne resident meets his lifesaver. “Be like Jenna, don’t watch, our rescue chain needs you,” appeals the fire department in the Facebook post.

Peter Muhrmann has now been able to leave hospital again. ‘Absolutely lucky that he is doing well. I couldn't believe it, there were tears in my eyes," says Jenna Müller about the moment she saw the search for her on social media.