Melissa Cochran, wife of slain US tourist Kurt Cochran, has spoken at London's Westminster Abbey where she was attending a memorial service for the victims of the March 22 London attack.
"Kurt was probably the best man I've ever met. He was sweet and kind and I'm extremely proud of him," Ms Cochran said.
"He would probably hate all the publicity that's going on. He's a very private kind of person."
Prince William, his wife Kate Middleton and Prince Harry also joined injured victims and families in a multi-faith service.
Prince William stopped briefly before the service to lay a wreath at the abbey's Innocent Victims Memorial, a slate circle that remembers those who have suffered death, torture and oppression throughout the world.
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Hundreds of people, including police, ambulance workers and firefighters who helped victims of the attack are attending together with Home Secretary Amber Rudd, who is representing the prime minister, and London Mayor Sadiq Khan.
The service took place just metres away from Westminster Bridge, where Khalid Masood mowed down pedestrians before stabbing a police officer outside Parliament.
Police shot dead Masood, 52, after he fatally stabbed officer Keith Palmer in a Parliament courtyard.