A train to a major London station was delayed after the driver got locked in the toilet.Southeastern apologised after the 10.49am service from Bromley South to Victoria ran five minutes late on Wednesday.Using a gif from The Simpsons, the rail operator explained that the driver had become locked in the on-board toilet.Southeastern tweeted: “Service update: the 10:49 Bromley South – Victoria was late departing Bromley South due to the driver becoming locked in the on board toilet.”This train 5 minutes late. Sorry for the delay caused.” SERVICE UPDATE: the 10:49 Bromley South – Victoria was late departing Bromley south due to the driver becoming locked in the on board toilet. This train 5 minutes late. Sorry for the delay caused. pic.twitter.com/yYCQDZlWQD— Southeastern (@Se_Railway) September 19, 2018 The rail company was praised by customers for its honesty, saying other operators may have been tempted to put the delay down to an “operational incident”. Natasha Tickham described the mix-up as “hilarious”, tweeting Southeastern asking if the message was genuine. The firm’s official Twitter account responded: “Unfortunately it did happen, they were only there for a short while (train terminated there to make a service back as per timetable). All good though.” Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.