Police are appealing for witnesses after an incident involving a 205-route bus, in which a cyclist, believed to be in his 30s, was killed.
He was not wearing a helmet at the time of the collision, police added.
The victim, who has not yet been identified, was taken to an east London hospital. Police added there had been no arrests and inquiries continued.
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Police were called to Kilburn High Road at 5.20pm after reports of a shooting.
In just 24 hours the offer was retweeted more than a thousand times on Twitter.
What a year it's been full of ups and down, turmoil and change and it seems events here in London have got the entire nation talking.