A BART train hit and killed a person on the tracks at San Francisco Civic Center station Tuesday morning, closing the station temporarily and creating delays across the system, the agency said.BART issued an alert just before 9 a.

SAN FRANCISCO — A person died early Tuesday in what BART officials said appears to be a collision with a train on the tracks at the Civic Center station. BART spokesperson Jim Allison confirmed the fatality at 10 a.m., about 75 minutes after the emergency first was reported.

San Francisco commuters faced major delays Wednesday morning after a medical emergency at Civic Center Station forced service disruptions across multiple BART lines.