Metra says there was not a fire, but the trains near the station were evacuated as the fire alarm went off at the station
Metra Alert ME - Inbound and outbound train movement halted near Chicago, fire alarm going off at Millennium Station
— Metra Electric (@metraMED) January 23, 2020
Inbound and outbound trains were initially halted. At about 10:15 a.m., Metra said trains were running again with extensive delays after problems with the sprinklers.