26 players have assembled in Jersey to begin preparations for the British & Irish Lions' Vodafone Lions 1888 Cup game against Japan on Saturday, June 26 (kick-off 3pm). Leinster and Ireland hooker Ronan Kelleher will train with the Lions squad this week, but has not been formally added to the 37-man touring party. Head coach Warren Gatland commented: "I'm delighted to welcome Ronan to train with the squad this week while we wait for Jamie George to complete his domestic season with Saracens next weekend." BRITISH & IRISH LIONS Squad: Backs (12) - Josh Adams (Cardiff Blues/Wales) Bundee Aki (Connacht/Ireland) Dan Biggar (Northampton Saints/Wales) Gareth Davies (Scarlets/Wales) Chris Harris (Gloucester/Scotland) Robbie Henshaw (Leinster/Ireland) Conor Murray (Munster/Ireland) Ali Price (Glasgow Warriors/Scotland) Louis Rees-Zammit (Gloucester/Wales) Duhan van der Merwe (Edinburgh/Scotland) Anthony Watson (Bath/England) Liam Williams (Scarlets/Wales) Forwards (14) - Tadhg Beirne (Munster/Ireland) Jack Conan (Leinster/Ireland) Zander Fagerson (Glasgow Warriors/Scotland) Taulupe Faletau (Bath/Wales) Tadhg Furlong (Leinster/Ireland) Iain Henderson (Ulster/Ireland) Alun Wyn Jones (Ospreys/Wales) (capt) Wyn Jones (Scarlets/Wales) Ronan Kelleher (Leinster/Ireland) Courtney Lawes (Northampton Saints/England) Ken Owens (Scarlets/Wales) Rory Sutherland (Edinburgh/Scotland) Justin Tipuric (Ospreys/Wales) Hamish Watson (Edinburgh/Scotland)