Leicester Tigers academy prospect Gift Sankoh has been called into the England squad for the Rugby Europe Sevens Grand Prix tournament in Lyon this weekend.England have selected Sankoh, Newcastle Falcons wing Zach Kibirige and Jordan Burns of Harlequins as replacements for Phil Burgess, Warwick Lahmert and Ruaridh Mcconnochie in the only changes to the squad that finished fourth in Moscow last week.   England play Wales, Belgium and Russia in their Pool on Saturday.   England Sevens squad Tom Bowen  Jordan Burns   James Cordy-Redden  Cameron Cowell  Alex Davis (c) Samson Egerton  Harry Glover  Oskar Hirskyj-Douglas  Zach Kibirige Sebastian Nagle-Taylor  Gift Sankoh  Joshua Watkins