NEW YORK, NY - MAY 14:  Jussie Smollett attends the 2018 Fox Network Upfront at Wollman Rink, Central Park on May 14, 2018 in New York City.  (Photo by Roy Rochlin/Getty Images)
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NEW YORK, NY - MAY 14: Jussie Smollett attends the 2018 Fox Network Upfront at Wollman Rink, Central Park on May 14, 2018 in New York City. (Photo by Roy Rochlin/Getty Images)
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Editor’s Note: Read an update here.

(CNN) —  

“Empire” actor Jussie Smollett was attacked in the early morning hours on Tuesday in what Chicago police are calling a possible hate crime.

Smollett was attacked by two people who were “yelling out racial and homophobic slurs” and “poured an unknown chemical substance on the victim,” police said.

One of Smollett’s alleged attackers also put a rope around his neck, according to police. Both fled the scene.

Smollett took himself to Northwestern Hospital and “is in good condition,” authorities said.

As of Tuesday evening, a Chicago police spokesperson told CNN that investigators canvassed the neighborhood where the reported attack occurred and have found no still images or video from security cameras of the incident.  

The only image of Smollett police obtained from security cameras was inside a Subway sandwich shop near the location of the reported crime. The actor was seen standing alone. 

Chicago police detectives continue to investigate the “serious allegations,” Chicago police spokesman Anthony Guglielmi said early Wednesday.

“The Streeterville neighborhood where the alleged attack occurred has a very high density of city and private surveillance cameras. As of 10 p.m. Tuesday, detectives canvassed and reviewed hundreds of hours of video and have now expanded the search area along the Chicago riverfront hoping to find video to be able to release a public description of the offenders,” he said.

“Unfortunately, thus far we have not found any helpful information on a suspect or a suspect’s vehicle to be able to share.”

Guglielmi said detective teams will broaden their search area and work around the clock to look for video on traffic cameras, buses and neighboring streets.

A dozen police detectives, with the assistance of the FBI, are working the case, he said.

CNN’s Don Lemon spoke to Smollett and a mutual friend who was at the hospital with the actor. Smollett confirmed the incident took place.

He was shaken and angry that an attack like this could happen. Smollett told CNN he fought back at the attackers.

“Given the severity of the allegations, we are taking this investigation very seriously and treating it as a possible hate crime,” the police statement said.

Investigators are testing the chemical Smollett said he was doused with and have yet to confirm the nature of the substance.  

Smollett has starred on Fox’s “Empire” since 2015. He plays Jamal, a successful singer in the musical Lyon family. Like his character, Smollett identifies as gay.

“We are deeply saddened and outraged to learn that a member of our ‘Empire’ family, Jussie Smollett, was viciously attacked last night,” a representative of 20th Century Fox Television and Fox Entertainment said in a statement to CNN. “We send our love to Jussie, who is resilient and strong, and we will work with law enforcement to bring these perpetrators to justice. The entire studio, network and production stands united in the face of any despicable act of violence and hate – and especially against one of our own.”

A representative for GLAAD told CNN the organization has reached out Smollett to offer assistance and support.

“Jussie is a true champion for LGBTQ people and is beloved by the community and allies around the world,” a GLAAD spokesperson said in a statement.

Anyone with information is asked to call Area Central Detectives at 312-747-8382.

CNN’s Don Lemon and Ryan Young contributed to this report.