Iran's Sardar Azmoun retires from international football at 23 after receiving abuse

Iran's Sardar Azmoun has quit international football at the age of 23 after claiming the insults directed at him have impacted his ill mother.

The Rubin Kazan striker completed 90 minutes in each of Iran's three World Cup games but has now opted to retire, citing the abuse he has received and the effect it has had on his family.