A 21-member Iraq national team coached by Qahtan Jathir and six support staff checked in Kolkata in the wee hours today for the upcoming FIFA U-17 World Cup commencing October 6.They landed at 2.15 a.m. by a Qatar Airways flight before being escorted to the team hotel by a tight security cover, a local team official said.Making a comeback after their only appearance in the UAE-2013, the Asian champions will face Mexico in their group F World Cup opener at Saltlake Stadium on October 8.Iraq emerged victorious from the 2016 AFC U-16 Championship, defeating Iran in the final to become Asian champions for the first time and qualify for the tournament.