Fred was about to take a Manchester United corner when the incident happened
Manchester United midfielder Fred appeared to be hit by a object thrown from the Manchester City section during Saturday's derby at Etihad Stadium.
With United leading 2-0, a number of objects were thrown by supporters in the home end when Fred went to take a corner in the 67th minute.
The Brazilian player moved away from the corner flag before going back to take the set-piece.
City midfielder Fernandinho urged the fans in that corner to calm down.
Play resumed a few moments later once referee Anthony Taylor picked up a number of objects in that area of the pitch.
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Source: bbc.com