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British National Party (BNP) leader Nick Griffin today laid flowers at the site of Drummer Lee Rigby's death in Woolwich, south London.
The far-right politician claimed he had come for personal rather than political reasons.
As Muslim groups reported a surge in anti-Islam incidents since the attack in Woolwich on Wednesday, an Imam at a south London mosque condemned violence in general.
Meanwhile Nick Clegg urged the country not to allow the attacks to spread fear and division.
This report is by ITV News political correspondent Carl Dinnen:
A 22-year-old man has been charged on suspicion of making malicious comments on Facebook following the murder of British soldier Lee Rigby.
Benjamin Flatters, of Lincoln, was arrested last night after complaints were made to Lincolnshire Police about comments made on Facebook, which were allegedly of a racist or anti-religious nature.
He was charged with an offence of malicious communications this afternoon in relation to the comments, a Lincolnshire Police spokesman said.
Flatters has been remanded in police custody and will appear before magistrates in Lincoln tomorrow.
The owner of takeaway shop where Drummer Lee Rigby was filmed two days before his murder said the soldier, a regular customer, was a "very polite chap."
Oner Arslanboga said he was "very saddened" by the attack and that staff at the shop had been upset by the news of Drummer Rigby's death.
This report is by ITV News correspondent Juliet Bremner:
Help for Heroes has experienced a huge surge in donations since the death of Drummer Lee Rigby, a spokesman confirmed.
Since Wednesday the charity has received almost £600,000. A spokesman said:
Help For Heroes has been the unexpected focus of this spontaneous and instinctive desire to counter evil with good. Since Wednesday afternoon H4H has received almost £600,000 in money and pledges from the great British public and donations continue to come in.
Every penny that is donated by the public in response to Lee's death will help support his brothers and sisters in arms for years to come.
The family of Drummer Lee Rigby spoke of their immense pride as they described their grief today. Speaking during an emotional press conference his widow Rebecca said she could not comprehend that he was killed inside the UK, where he "should have been safe."
ITV News reporter Damon Green reports from Middleton, Greater Manchester.
Footage of Drummer Lee Rigby has been found in a NATO film from 2009.
The soldier was on operation in Musa Qaleh in Afghanistan's Helmand Province.
Madeline Edwards, a neighbour of Woolwich murder suspect Michael Adebowale, told ITV News she is astounded he could be involved in the brutal attack on soldier Lee Rigby.
Describing him as a "lovely young man" whose mother was "very hard working" she said:
"He is just a very humble young man, quite solitary. I know he turned towards Islam, but I did not know he held views that he would have ended up in this situation."