Chicago (CNN) One of the two men investigators have questioned as persons of interest in the alleged attack on actor Jussie Smollett has appeared on the show "Empire," Chicago Police spokesman Anthony Guglielmi said Thursday.

Both men were released without charge, the Chicago Police Department said Friday.

Guglielmi had said earlier on Twitter that "the people of interest are alleged to be in the area where a crime was reported. They are not considered suspects at this time."

The men are Nigerian brothers and were questioned by police after flying into O'Hare airport from Nigeria on Wednesday evening, Guglielmi said.

Police said they searched the men's apartment two nights ago.

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