UPDATE, 7 p.m.: SFMTA is reporting that Muni is honoring BART tickets at 24 Street Mission due to ongoing BART system delays. Customers can see a station agent for details.

Shortly before 6:30 p.m. on Wednesday night BART sent out a notice on social media stating that the train system is undergoing systemwide delays due to a “major medical emergency.”

SFPD states that a male adult was trapped between two BART cars. The man was semi-conscious when the rescue took place, and was transported to the hospital in serious condition.

BART is reporting that 24th Street station is currently closed. Trains are not stopping at that station and the public is being asked to avoid the area.

This is a developing story, stay tuned for updates.