Photo submitted to Lake and McHenry County Scanner.

A Long Grove man armed with a gun is in custody after police say he fled from police following a domestic disturbance in Long Grove that ended in Mundelein.

Police were called at 5:30 a.m. on Thursday to a home in the 6500 block of Stockbridge Lane in Long Grove for a domestic disturbance, according to the Lake County Sheriff’s Office.

Sgt. Christopher Covelli said that sheriff’s deputies found a 33-year-old man in “mental crisis” and involved in a heated argument with family members.

The man left the home and then went back inside during the argument. When he went back inside, police say the man pulled out a semi-automatic pistol from his waistband and then ran out of the house again before getting into a vehicle.

He fled from the scene in the car at a high rate of speed, Covelli said. A police pursuit began but police backed off from the pursuit because of the man’s “extremely erratic driving and excessive speed,” authorities said.

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The man drove to a business in the 400 block of Washington Boulevard in Mundelein where police took the man into custody. He was transported to an area hospital for a mental health evaluation.

The Lake County Sheriff’s Office and the Lake County State’s Attorney’s Office are working together about possible charges against the man, officials said.

“This was a very tense situation where our sheriff’s deputies utilized their Crisis Intervention Team techniques to take this man into custody and transport him to a medical facility for a mental health evaluation. This incident could have ended much differently if it weren’t for the high-level of training of our personnel,” Lake County Sheriff Mark Curran said.