Police are appealing for information on Peter Morley, 35.
Two other people were hospitalised.
On Thursday it was widely reported that Adebolajo's brother Jeremiah warned of more attacks to come. We can take measures like banning external preachers but this will do little to extinguish the ideas that drive such acts of violence and hate.
As we move into 2014, we hope that both Far Right and Al-Qaeda influenced groups and individuals realise that we collectively as communities, will not allow them to drive a wedge between us as residents and neighbours. Collectively, we can also counter their belief that a clash of civilisations is inevitable. It is not and we alone can prove them wrong.