Police said officers responded to a domestic disturbance in the Lincoln Park neighborhood's 2100-block of North Sheffield Avenue at about 3 a.m.
A female victim told officers that a male offender was inside a home, possibly with a gun, police said. Authorities did not immediately provide information about their ages.
Officers placed the offender in custody at 6:35 a.m. without incident, police said. SWAT has cleared the scene.
Police did not immediately provide further information.
INTERACTIVE SAFETY TRACKER Track crime and safety in your neighborhood