Iowa City police are at a home in the 800 block of East Fairchild Street in response to an armed suspect inside.
Police are asking people to avoid the area.
Just after 10:10 p.m. Wednesday, authorities were called to the area after a resident reported a man threatened another man and woman with a handgun after a dispute.
Police said the two fled the scene and the suspect was still inside the home. No one else was reported to be inside.