MINNEAPOLIS (AP) The Minnesota Vikings' internal security staff is investigating after a fan said another man directed racist comments at him during Sunday's game.

Deepinder Mayell wrote in an op-ed published Wednesday in the Star Tribune that he was at Sunday's game against the Seattle Seahawks when another fan demanded to know if he was a refugee and made other comments Mayell considered hate speech. Mayell described himself as non-white.

Mayell wrote that he reported the man to security but the man wasn't asked to leave.

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The Vikings said in a statement that they first learned of the incident from the op-ed.

The statement said the team reached out to Mayell and its security staff is investigating.

The Vikings say they also plan to have ''further conversations'' with security for the University of Minnesota, the team's temporary home amid work on a new stadium.