Diane Abbott has apologised for drinking a can of mojito on the London overground (Image: GETTY) The Shadow Home Secretary was spotted drinking a small can of the mixed rum drink on her train home through her constituency in North London last Saturday, according to The Sun. Ms Abbott apologised sincerely for drinking on the service after photos were published online. She tweeted on Friday: “A photo of me drinking from a can of M&S mojito on the Overground has been circulated. Related articles John Humphrys confronts Diane Abbott on Julian Assange's rape charges Corbyn and Diane Abbott LAMBASTED for 'making excuses' for Assange “I sincerely apologise for drinking on TfL.” Drinking alcohol is against the law on all Tubes, buses and trains run by Transport for London (TfL). A passenger said: “She kept her head down and was staring at her phone but kept slurping from the can. It was 1pm, so a bit early to be drinking — especially in public.” Another added: “There are clear signs up in the carriages which say alcohol is banned. She was lucky there wasn’t an inspector on board.” READ MORE: Corbyn accused of BREAKING Labour rules over Diane Abbott appointment Drinking alcohol is against the law on all Tubes, buses and trains run by Transport for London (Image: GETTY) However, there were no signs the Labour MP was drunk or misbehaving. Susan Hall, who sits on the London Assembly’s Police and Crime Committee, said: “As someone who aspires to be Home Secretary, Diane Abbott should know better. “How can she have any credibility if she’s willing to break the law?" Retired Scotland Yard Detective Chief Inspector, Mick Neville said: “It’s shocking that she is breaching a law that was brought in to keep order on public transport. Related articles BREXIT BOMBSHELL! Leave would win again in 2nd referendum says Abbott Abbott says Labour definitely has Brexit view - not sure what it is! There were no signs the Labour MP was drunk or misbehaving (Image: GETTY) “London’s got enough problems without senior politicians drinking on trains. “TfL should be looking into this and sending her a fine. She should face action as a deterrent to others. “She should be the most upright citizen in London, not doing stupid things like this.” The mixed rum cocktail contained two measures of white rum, which is two units of alcohol, making it eight percent in strength. A spokesman for TfL said passengers found consuming alcohol on trains or buses could be fined or arrested. Related articles Comments Unavailable Sorry, we are unable to accept comments about this article at the moment. However, you will find some great articles which you can comment on right now in our Comment section. All rights reserved for this news site express.co.uk and under his responsibility