The deceased and the injured person were found in different wards of the hospital on Wednesday evening.
Law enforcement troops have detained one of the hospital employees on suspicion of murder, without disclosing the possible motives for the crime. The investigators deem the incident to be premeditated murder.
According to a police spokesperson, cited by the media outlet, the victims died as a result of severe use of force applied against them. Investigators are still looking into the exact cause of the deaths and trying to determine whether all of the victims were patients.