Although the stations have now reopened, several lines, including the Waterloo and City line, were still disrupted.
Transport for London cannot give an estimate of when normal service will resume at this time:
@naomi_jw Hi, at present we have no estimated time for when normal service will resume. I'll update further once I have more info.— Circle line (@circleline) August 28, 2015
Transport for London is accepting tickets on buses:
Due to a fire alert at Bank Station we are accepting ticket holders eitherside for Central and Northern Lines on bus routes.— TfL Bus Alerts (@TfLBusAlerts) August 27, 2015
There are also reports of light flooding caused by the fire:
So....Bank Station is closed because of flooding (not sure how deep) caused by the fire alert earlier. #sprinkler— BBC London Travel (@BBCTravelAlert) August 28, 2015
There are also severe delay on the Circle and Hammersmith and City lines, with parts of the lines suspended, due to emergency engineering work at Ladbroke Grove.