The Civic Center BART station has been completely shut down this morning, after a suspicious item was found inside the station just after 9:30am.

Civic Center stn of @SFBART is closed. pic.twitter.com/QS7UosobTs

— Y. S. Ramakrishna (@ysr1729) March 17, 2017

Trains are not running through Civic Center in either direction, causing massive delays across the entire BART system, and locals are being advised to avoid the area. 

Major delay system wide due to police activity at CIVC. CIVC is closed and trains are not running through CIVC.

— SFBARTalert (@SFBARTalert) March 17, 2017

Avoid area of #SF Civic Center Bart due to suspicious item. Bart PD is on scene & #SFPD is assisting. Expect @sfmta_muni & @SFBARTable Delay pic.twitter.com/5UCVwcpoyD

— San Francisco Police (@SFPD) March 17, 2017

We'll keep you updated on this breaking story. 

Update, 10:03am: Muni service at the station has also been shut down, and Muni trains are not running. Passengers are being advised to take buses instead, and Market Street shuttles are en route.

ATTN: Due to police activity at Civic Center Station, #subwaysvc is delayed in both directions. Bus shuttles b/t WP and Emb. en route.

— SFMTA (@sfmta_muni) March 17, 2017

Meanwhile, BART is advising those traveling to the airport to seek alternate methods of transportation, as "this could be awhile."

If you are trying to get to the airport, seek alternate transportation as we don't want you to miss your flight. This could be awhile.

— SFBART (@SFBART) March 17, 2017

Update, 11:10am: The station is now reopening, and trains are beginning to run. According to ABC7, a bomb threat was called into the station, and police dogs were brought in to sniff the area, but found nothing dangerous.