By Michael Graham England could be set for a World Cup blow with Harry Kane requiring a scan on an ankle injury. Kane took a heavy blow to the ankle in the 6-2 thrashing of Iran before being replaced by Callum Wilson in the second half. It is not yet known whether the injury will keep him out of the Three Lions’ second group game against USA on Friday, although we understand he is a major doubt. After their World Cup opener, England boss Gareth Southgate initially played down fears over an injury to Kane, saying: “I think Harry’s fine. “It looked like a bad tackle but he carried on in the game…