The Yellow, Purple and Red line trains were standing with major delays after a Yellow Line train derailed at the Howard Station, according to the CTA. Riders on two trains were escorted to the nearby station platform, officials said. No one was injured.

CTA and Chicago Fire Department crews helped riders off trains stopped behind a derailed train Monday night. No one was hurt.

The Chicago Transit Authority said there was a minor derailment of a Yellow Line/Skokie Swift train at Howard. The cause was unknown, and no injuries were reported.