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Video technology to help referees cut out clear mistakes should be introduced in English football, says referees' chief Mike Riley.

Riley's comments came after referee Neil Swarbrick sent off Gareth McAuley instead of Craig Dawson during West Brom's 3-0 defeat at Manchester City. Swarbrick has apologised for the error.

"We need to see what technology we can use to help get referees' decisions more accurate," said Riley. "Football as a whole has to look at it."

This clip is from Sportsweek, Sunday 22 March 2015.