North County Transit District stopped all train traffic on Sunday after a tree fell in Carlsbad, according to the agency.
Tracks between Carlsbad Village Station and Poinsettia station were closed, NCTD said in a post on the X platform, formerly known as Twitter, at around 8:30 p.m.
It is unclear when the tracks will reopen.
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No other information was immediately available.
This is a developing story and will be updated with the latest information.