We read:
"The BBC has dropped plans to show a fictional terror attack in an episode of Casualty to avoid offending Muslims.
The first show of the hospital drama's new series was to have featured a storyline about an explosion caused by Islamic extremists.
Source
Muslim horrors must not be mentioned but you can make up all the horrors you like about Lady Thatcher of course. But it is a long time since the BBC was concerned about reality at all.