Neighbours said their doors shook after a van burst into flames on Swan Road this morning.
London Fire Brigade said they were called just before 5.30am. They managed to put the fire out quickly and no one was injured.
Residents took to Twitter to talk about their shock, with Rotherhithe Tours posting a video of the blaze taken from a neighbouring road.
The cause of the fire is not yet known but police said they are not treating it as suspicious.
Transport for London are offering rare walking tours through the London Overground Thames Tunnel this weekend, while trains are suspended for engineering work.
The £18 ticket cost will go to charity - but all 4,000 sold out in just 4 hours.
The tunnel was constructed in the 18th century, and it's only the second time in 150 years it has been open to the public.
He's starred in more than a hundred films and won dozens of awards including two Oscars. Sir Michael Caine has come a long way from his humble beginings in Southwark but today he was back in his home borough, along with some other high achievers, for a very special occasion, Liz Wickham reports.