The top deck of the bus appears to show a small hole in the glass at the front.
John Crilly used a fire extinguisher to tackle Usman Khan.
The Prime Minister had previously said terrorist Usman Khan was back on the streets because of laws introduced by a Labour 'leftie government'.
Usman Khan wrote a poem and a thank-you note to prisoner rehabilitation initiative Learning Together.
Saskia Jones and Jack Merritt were killed by convicted terrorist Usman Khan in London on Friday.
The university’s vice chancellor Professor Stephen J Toope announced the former student was the second victim.
The prime minister says the UK would 'not be cowed' after a suspect in a hoax suicide vest was shot dead after an attack that left several people injured.
Thousands of people came streaming down Cannon Street as police officers, some armed and with dogs, roared: “Clear the road!”
Police declared a terrorist incident after a man suspected of stabbing several people and wearing a fake suicide vest was shot dead by London Bridge.
An eyewitness told Yahoo News over WhatsApp that she saw “two, three people stabbed” at Fishmongers’ Hall by London Bridge on Friday where she was working.
The Metropolitan Police has been called to an incident at London Bridge amid reports of shots being fired.