Jacintha Saldanha's widower Ben Barboza holds an order of service and the hand of his daughter Lisha (R) outside of Westminster Cathedral before a memorial service in London December 15, 2012. The family of a nurse who apparently committed suicide after taking a prank call at the hospital treating Prince William's pregnant wife Kate delivered a tearful tribute to her on Saturday, saying her death had left "an unfillable void". REUTERS/Toby Melville (BRITAIN - Tags: RELIGION CRIME LAW POLITICS)