The French state railway company has introduced child-free carriages on some of its high-speed trains. This has caused a row online.

Adam Fleming gets to the bottom of the story and asks if there is a growing demand for more child-free spaces. But is the debate simply a measure of growing intolerance - particularly of children - in society.

Presenter: Adam Fleming

Producers: Natasha Fernandes, Tom Gillett, John Murphy

Studio manager: Andrew Mills

Production co-ordinator: Gemma Ashman

Series Editor: Penny Murphy