Helen Boaden, director of BBC News has returned to work today, saying it is not her job to decide if she should still be in post.
She also dismissed suggestions that the public's trust in the national broadcaster had diminished. She said:
"It is still the most trusted news organisation in this country"
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David Browning admits manslaughter by diminished responsibility but denies murder.
Four people have died and the suspect is still at large, police said.