(Reuters) – Former Wales rugby captain and television commentator Eddie Butler died at the age of 65 while on a charity walk for prostate cancer in Peru, the Welsh Rugby Union (WRU) said on Thursday. A number eight who played 16 times for Wales and also represented the British & Irish Lions, Butler moved into broadcasting following his retirement and even did commentary for the BBC at the Six Nations earlier this year. WRU said Butler died in his sleep on the trek in Peru where he was raising funds for health charity Prostate Cymru. “For many Eddie was the voice of Welsh rugby and he will be s…