In pictures: Starmer and Theresa May arrive at St Paul's Cathedralpublished at 11:36 British Summer Time
The memorial service is now under way inside St Paul's Cathedral.
Let's bring you some of the latest images which have come to us in the last few moments.


Former Prime Minister Theresa May is seen arriving at St Paul's Cathedral prior to the memorial service

Representatives of the Salvation Army, London Ambulance Service, Metropolitan Police and London Underground line the steps