A BBC documentary has sparked a storm of controversy, revealing a hidden connection that challenges the broadcaster's commitment to impartiality.

As we've been reporting, the BBC has released a report into a film about children's lives in Gaza. Here's a look back at the key lines from the review and the latest reaction: Gaza: How to Survive a Warzone breached the BBC's editorial guidelines on accuracy over the failure to disclose that the narrator was the son of a Hamas official,