LONDON 芒鈧珺次元官网网址� The Duke and Duchess of Cambridge and Prince Harry joined those injured in the March 22 terror attack and victims' families in a multi-faith service Wednesday at London's Westminster Abbey.

Some 1,800 people took part in the service that took place just meters (yards) away from Westminster Bridge, where Khalid Masood mowed down pedestrians before stabbing a police officer outside Parliament.

"What happened a fortnight ago leaves us bewildered," said the Dean of Westminster, John Hall. "What could possibly motivate a man to hire a car and take it from Birmingham to Brighton to London, and then drive it fast at people he had never met, couldn't possibly know, against whom he had no personal grudge, no reason to hate them and then run at the gates of the Palace of Westminster to cause another death? It seems likely that we shall never know."

Police, ambulance workers and firefighters who helped the dying and the injured stood shoulder to shoulder with victims and their loved ones. Among those at the abbey was injured tourist Melissa Cochran, who arrived in a wheelchair. Her husband Kurt, 54, died in the attack.

The couple, from Utah in the United States, had been celebrating their 25th wedding anniversary in London when they were caught up in 82-second rampage.

The other victims were police constable Keith Palmer, retired window cleaner Leslie Rhodes, 75, and Aysha Frade, 44.

Police shot dead Masood, 52, after he fatally stabbed Palmer in a Parliament courtyard.

Prince William stopped briefly before the service to lay a wreath of red and white spring flowers at the abbey's Innocent Victims Memorial, a slate circle that remembers those who have suffered death, torture and oppression throughout the world.

Danica Kirka, The Associated Press