FREMONT (CBS SF) — A violent confrontation on a street in Fremont resulted in multiple arrests and injuries, police said Monday.

Fremont police said officers responded Sunday at about 10:30 p.m. to the 4900 block of Stevenson on a report of a stabbing involving eight people.

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Officers were identified and arrested four suspects, two adult males and two underage males. One suspect was identified as 27-year-old Fremont resident Diadem Velcu, who was charged with attempted murder, assault with a deadly weapon, and conspiracy.

The second adult suspect remained hospitalized and will be booked on charges once released from the hospital, police said.

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According to Fremont police, the victims in this incident were paying at the register of a liquor store when they were attacked by four suspects with who they had previous history. Three of the suspects were armed with knives and a machete, police said.

Police said there was no public safety threat as this incident involved parties that are all known to each other. The incident was not believed to be gang-related.

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Anyone with information about the incident was asked to contact Detective M. Floresca at 510-790-6800 or