Many MPs have taken to Twitter to pay tribute to those who witnessed the attack in Woolwich yesterday and tried to help and sent their thoughts to the family of the man who was killed:
Not a day for humour. Time now to pray for the family of the man murdered in Woolwich & salute the bravery of those who went to help him.
Following the barbaric murder in #Wolwich Our community must stand together against all extremists that seek to divide us
Reading accounts of the brave women in Woolwich tonight shielding the body of the soldier (RIP) & quietly tackling the murderers. Heroines.
More top news
McLaren confirm that Fernando Alonso will not compete in the Australian GP on advice from doctors due to his recent crash
A "lethal mix" of poor clinical care and relationships between doctors and midwives led to the deaths of 11 babies and one mother.
Oxfordshire Safeguarding Children's Board has apologised over the time it took to investigate child exploitation in the county.