CHICAGO (CBS) — A police standoff at an Uptown building Monday night ended with multiple offenders in custody after the CTA suspended service at several stations on the North Side, causing headaches for thousands of commuters.

Three suspects who had been holed up at 4639 N. Broadway surrendered to authorities about 10 p.m., CBS 2’s Mike Parker reports.

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The barricade situation started after Chicago police officers working with the ATF recognized a wanted offender and took the individual into custody at about 4:15 p.m. The three men inside the building reportedly were associates of the man police apprehended.

WBBM Newsradio’s John Waelti reports that 50 to 60 police squad cars were on the scene Monday evening, as well as several ambulances.

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The CTA suspended service on the Red Line between the Berwyn and Addison stations due to the police activity. Red Line trains were only running in two sections — between Howard and Berwyn; and between Addison and 95th, according to the CTA.

Shuttle buses were providing service between the Berwyn and Addison stations.

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Also, the CTA has suspended Purple Line Express service due to the police activity.