Brazil have confirmed that Arsenal defender Gabriel is out of the squad for their game against Tunisia on Tuesday due to an adductor injury.
The centre-back went off just before the hour-mark in Brazil's friendly against Senegal on Saturday.
"Arsenal player Gabriel Magalhães was re-evaluated this Sunday [16th] and underwent imaging tests that revealed a muscle injury in his right thigh," the Brazil federation said in a statement."
"Therefore, the player will not travel with the team to the match against Tunisia in Lille.