Final Update, 6:14 p.m.: The investigation has been completed, and train service is being restored. Customers can expect residual delays through 7:15 p.m. as we work to get trains back on normal schedule.

BLUE LINE: Trains resuming normal service with up to 20 min residual delays thru 7:15pm. Earlier incident cleared. pic.twitter.com/clZAM8tWoG

— LA Metro (@metrolosangeles) December 20, 2016

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Update, 5:23 p.m.: Delays have been increased on the Blue Line to up to 20 minutes. Trains continue to share the Downtown Los Angeles-bound track. Please consider using Metro alternate routes to avoid delays.

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Rail service on the Metro Blue Line is currently running with 10 minute delays due to a train-person incident that occurred at approximately 4:43 p.m. this evening. Trains are currently sharing Downtown Los Angeles-bound track between Willowbrook/Rosa Parks and Florence Stations.

To avoid delays, customers are encouraged to use alternate routes. For up-to-the-minute status updates, follow Metro on Twitter @metrolosangeles or @metroLAalerts.

BLUE LINE UPDATE: Up to 10 min delay due to train-person incident near Firestone. Trains share DTLA-bound track btwn Willowbrook-Florence. pic.twitter.com/BO73j4VGru

— LA Metro (@metrolosangeles) December 20, 2016