A police officer is among those injured in a mass shooting at Mercy Hospital in Chicago.
Chicago Police spokesperson Anthony Guglielmi reportedly said on Twitter that an officer had been critically injured and was receiving treatment. A witness told the news station that he saw a police officer arrive to the scene in an SUV before a gunman shot at him. According to the witness, the gunman reloaded, fired again at a person who was on the ground, and went into the hospital.
It is unclear if the active shooting is continuing, or where is it taking place. This is a developing story and all information is preliminary. CrimeOnline will provide further updates when more information is available.