[Steve in Pudsey]

Programmes following live sport frequently get dropped due to overruns. You do occasionally get a situation where say BBC Two network is carrying a longform sports event like live athletics all afternoon and BBC Wales or NI joins partway through.

I guess Sky Sports Main Event staying with an overrunning Premier League match then joining the build up to the Championship match which has already started on Sky Sports Football is quite close to that.

---

But yes, for an unexpected event we'd usually delay or adjust the schedule rather than just join the originally planned schedule mid-programme.

The only exception I can think of didn't actually happen, the night when Fathers 4 Justice disrupted the Lottery draw. Had it taken a minute or so more to deal with the interruption they would have ended up crashing into the Eurovision