Boris is officially launching his campaign to be the next Mayor of London tomorrow morning in the debating chamber at County Hall.

The first 150 Boris supporters to be there for a quick briefing at 9:30am in the County Hall reception will be kitted out with a official Back Boris t-shirts and will be integral to the smooth running of the day. You should be free to leave by 11:30am at the latest.

The first 150 people to reply to events@backboris.com with their full name and contact number will be added to the list. First come first served – see you there…