He had served in France since the 6th October 1914 and had been wounded on at least two previous occasions. His Battalion were in front line trenches near Mansell Copse in the Somme sector between the 13th and 20th April 1916. During this time they were very heavily shelled by German Artillery and suffered casualties every day. When they were returned to their billets at Bray on the 21st April it was recorded that 98 officers & men had become casualties. Charles Sell was wounded on the 19th April and received serious head and arm injuries. Surgeons had to eventually amputate his arm but he later died as result of his injuries. Charles is buried in the Corbie Communal Cemetery, Somme, France.