Protesting firefighters brought proceedings at City Hall to a standstill today, as they confronted Boris Johnson.
Mayor's Question Time had to be halted until order was restored - and all of it was witnessed by children visiting from a primary school in Croydon.
Carolyn Sim reports.
More top news
Newly released emails to a Muslim campaign group reveal Mohammed Emwazi felt "controlled" under the watch of the security services.
Tributes have been left in Caledonian Road in Islington where 15-year-old Alan Cartwright died after he was stabbed.
A boy has died after he and his friends were attacked while cycling in north London.