Metra trains briefly halted after gas leak at Millennium Station

CHICAGO - A gas leak at Millennium Station briefly halted trains in both directions during Wednesday morning rush hour in the Loop.

Metra officials said inbound and outbound trains were stopped due to a gas leak that occurred around 7 a.m. The gas leak was cleaned up and trains are now running 15 to 20 minutes behind schedule, officials said.

The cause of the gas leak was not immediately clear.