Normally, once the question has been asked, a point of order cannot be raised. That has happened in the past 24 hours, but it is an unusual situation, and of course we all make mistakes. We had stopped because there was a problem with the audio, not because there was a point of order. That said, normally, once the question has been asked, a point of order cannot be raised.
In the House of Commons on March 20th, 2019. See this statement in context.