OAKLAND, Calif. - Oakland police weighed in Thursday on raids targeting Sureño street gangs, a day after federal officials announced an indictment targeting nine members.

Several other gang members are facing state charges of attempted murder and conspiracy, said Oakland Assistant Police Chief James Beere.

"We do believe that the arrests that were made yesterday are people that are significantly involved and are driving the majority of the violence," Beere said, adding those in custody were responsible for a variety of crimes including "serious felony assaults.. beatings with baseball bats, stabbings, pistol-whippings."

Gang tied to two dozen homicides in Oakland

By the numbers:

He said those crimes are on top of 31 Bay Area homicides tied to the gang, two dozen of which happened in

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