BART officials have closed Powell Street station in San Francisco as protesters gather Thursday evening.
Scroll down to see real-time tweets from the event.
Dozens of protesters have been arrested at BART's Powell Street station in San Francisco so far, according to BART police.
Demonstrators gathered at around 5 p.m. to protest the fatal shooting of 45-year-old Charles Hill by BART police in July.
Powell Street station is closed and around 20 to 25 arrests have been made, according to police Deputy Chief Hartwig.
Protesters were still gathered outside the gates of the station as of 6 p.m. and police were demanding that all those inside the station, including reporters, leave the premises.
BART officials said all other stations are open and train service is on time.