Arsenal sweat as Alexis Sanchez leaves Chile training with injury

Arsenal face an anxious wait over forward Alexis Sanchez after he limped out of training with Chile with a muscular injury.

Sanchez was forced to the sidelines during a session at Chile's training camp with what appeared to be a calf problem.

A statement from the Chile FA read: "The medical corps of the Chilean national team informs the player Alexis Sanchez has a low-grade muscle injury.