LIVERMORE, Calif. -- Altamont Commuter Express trains are not running Thursday due to a gas leak near Livermore, according to officials.
An ACE official said the Union Pacific Railroad contacted the Bay Area commuter railway around 4 a.m. to let them know of a six-mile stretch of tracks that was closed to rail traffic due to the leak.
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The leak won't be fully repaired until Thursday afternoon, ACE officials said, leading to the full cancellation of service.
Officials with Union Pacific didn't respond to immediate requests for comment.