PLEASANTON (CBS SF) — Police activity in Pleasanton has shut down streets near Interstate Highway 680 Wednesday.

Officers were converging on the area of Bernal Ave. and W. Lagoon Rd. just west of the Bernal exit off I-680. Officers holding rifles and a K9 unit were seen searching a grassy area south of Bernal Ave. and between W. Lagoon and the highway.

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Pleasanton police said streets in the area were closed to traffic and urged people to avoid the area.

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Police officers block streets in area of Bernal Ave. and W. Lagoon Rd. in Pleasanton, March 23, 2022. (CBS)

Pleasanton police officers and K9 unit search for suspect in an open space between W. Lagoon Rd. and Interstate Highway 680, March 23, 2022. (CBS)

This is a breaking news update. More information to be added as available.

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Source: sanfrancisco.cbslocal.com.