CHICAGO (CBS) — Authorities confirm CTA Red Line service in both directions was halted.

According to a CTA alert, northbound and southbound trains were not running because someone was on the tracks.

Trains are being rerouted to the elevated lines between Fullerton and Cermak-Chinatown.

This is a developing story. Check back with CBS 2 for updates.

https://twitter.com/cta/status/1174046164326539264