This just in from 'Marshy'...
Good news indeed for those whose journey's are interrupted by fires alongside the railway.
According to Network Rail: A new robot-based service has been launched to help fight fires and support other major incidents, in particular those where acetylene gas cylinders which can become highly unstable are involved.
One assumes that said robots will be PTS or IWA certified as a minimum and will be able to don HiVis and take a T3...