Prince William and Kate vowed to help cut br suicide rates‎ across Britain after meeting a man br who tried to kill himself and the passer-by who saved him.br br The royal couple spoke to Jonny Benjamin about his br suicidal feelings‎ and praised Neil Laybourn, br who talked Jonny out of throwing himself br off London's Waterloo Bridge in 2008.br br After receiving help, Johnny tracked down br Neil and the pair have become mental health br campaigners raising awareness of suicide .br br It is the biggest killer of men aged 20-45 br and William and Kate want to shine a spotlight br on the sometimes taboo issue and get better help br for people struggling with suicidal thoughts.br br At the end of a half-hour meeting at St Thomas' br Hospital, where Jonny was sectioned after being br rescued on the bridge, William said: "Someone told me br five people a day try to kill themselves.