The video shows the pair clinging to the train as it moves between stations at around 3.23pm on Friday, June 14. (Image: Facebook)She said she considered pulling the passenger alarm to alert the driver, but was worried that stopping the train so suddenly could cause the boys to fall off. (Image: Facebook)"I thought, if they fall and die, no one will be able to get home. We were going to press the alarm but thought if the train stopped suddenly, it might cause them to fall off also." (Image: Facebook)DLR trains are driverless, operating on a computerised system, but train attendants do travel on board and can operate the train manually if needed.

Source: Daily Mirror June 15, 2019 13:05 UTC