Mait001 wrote:
Here's a new phenomenon: carrying out Underground track repairs
whilst a train is in service, which is deliberately held up for that
purpose!

No nothing new, it's been happening for several decades.


What would have happened had a serious fault been found, i.e. one that meant
the train would not have been able to proceed further?

And, aren't there health and safety rules about "track possessions" and
switching off the current before workers start fumbling about in semi-darkness?

Marc.