CHICAGO (CBS)– A CTA spokesperson has reported all CTA train lines have returned to their normal schedules after an incident on the Red Line caused major delays Sunday morning.

Officials have confirmed the incident was not weather related.

The CTA reported “major delays” after an incident near Rogers Park just before 10 a.m. Sunday.

According to a CTA spokesperson, the incident caused officials to cut off power to a Red Line train north of the Jarvis stop.

Delays were expected on the Red and Purple train lines. The Yellow Line service has been suspended.

The CTA provided bus shuttles between Howard and Addison for the Red Line and between Howard and South Boulevard for the Purple Line.

No injuries have been reported. This incident is still under investigation.