Aston Villa striker Nathan Delfouneso has collected a hamstring injury on duty with England U21.
Delfouneso for Monday's European Under-21 Championship qualifier in Belgium.
Aston Villa striker Delfouneso returned to his club following Thursday night's 5-0 thrashing of Iceland, which saw him pick up a hamstring injury.
The 20-year-old was withdrawn after just 11 minutes in Colchester and will not travel to Mons on Sunday.