Routes 12, 35, 40, 45, 68, 148, 171, 176, 468 & P5 remain subject to delay/diversion on Walworth Road, Southwark due to a fire.
A215 Walworth Road remains closed both ways btwn Elephant & Castle and Browning Street due to a building fire.
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Police were called to a fight between two groups of people on the petrol station forecourt at Cobham services.
The force says the increased police presence should provide reassurance to the public - without affecting the spirit of the event.
Resident group Justice 4 Grenfell say they were not consulted and will raise concerns about the appointment at the highest level.