Pope Francis apologised to crowds gathered in St. Peter's Square, Vatican City on Sunday, after showing up late for his weekly address.

Addressing the crowds, he explained: "Dear brothers and sisters, good morning. First of all, I haveto apologise for being late but I had an unexpected event, I have been stuck in an elevator for 25 minutes."

The Pope said that there was "a drop in voltage," and that the elevator stopped

"Thank goodness, the fireman arrived, and I thank them so much, and after 25 minutes of work they managed to get it start again," he said.

"A round of applause for the firefighters!," he added