New security barriers have been installed on three bridges in central London.
Listed Londoner is music creative Nick Faber, physicist Carlo Rovelli talks about his book 'Seven Brief Lessons' and live music from Ray Gelato with Claire Martin.
Actress Maureen Lipman tells Jo Good how she was caught up in the London Bridge attack.
A vigil will be held later today in honour of the victims of the London terror attacks.
Reaction to the vigil in London and look back at the One Love Manchester concert.
Does London need more armed police?
How can you recognise a terror threat?
Petrie interviews Jonathan Bartley, co-leader of the Green Party.
