Unable to wear a helmet ( his jaw was swollen after being hit by a slingshot ) , Juan was struck in the head by a large stone and died a fortnight later .
Juan led the attack to recover the citadel .
Unable to wear a helmet ( Juan 's jaw was swollen after being hit by a slingshot ) , Juan was struck in the head by a large stone and died a fortnight later .
Juan led the attack to recover the citadel .