Bay Area Rapid Transit officials are warning riders about a second protest condemning a man's fatal shooting by transit officers.

BART is alerting passengers on its Web site that protesters may disrupt service as early as Thursday in response to the shooting death of Charles Hill in San Francisco on July 3.

Three San Francisco train stations were briefly closed during rush hour on July 11 as an estimated 100 protesters chanted and held doors open to keep trains from leaving. No arrests were reported.

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