(SAN MATEO COUNTY, Calif.) — Seven people were killed Monday in a shooting at two locations in San Mateo County, California, ABC station KGO reported.

There is also one person reportedly in critical condition, according to KGO, citing a source.

A suspect is in custody, the San Mateo County Sheriff’s Office said.

This is the state’s second mass shooting in three days.

This is a developing story. Please check back for updates.

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