Ramadan - it's the holiest month of the year for Muslims. It's a time of sacrifice, self-discipline, and reflection.

And a time where more than two billion people - four million of which live in Britain - fast from dawn to sunset.

But what does this month actually mean to British Muslims?

Ahead of the ITV1 documentary 'Ramadan: A Journey Across Britain' on Wednesday at 10.45pm, ITV News Political Correspondent Shehab Khan tells International Affairs Editor Rageh Omaar what you need to know...