Police are questioning three youths - aged 15, 17 and 18 - on suspicion of robbery at a police station in north London.
The motive for the attack is unclear at this stage.
More top news
A bright and sunny day tomorrow, but feeling distinctly cool and chilly tonight.
An ITV News London investigation has discovered the inquest will now be held at Westminster Coroner's Court.
The family court finalised the adoption as the criminal proceedings were still under way. The couple have vowed to fight for their child.