MILLIS, MASS. (WHDH) - Police say a man is in custody after being accused of stabbing his parents in Millis. Police found his girlfriend dead in their Needham apartment.

According to the Norfolk County District Attorney’s office, Benjamin Walsh, 24, was arrested after his parents were found with significant stab wounds at a Millis restaurant.

Police responded to Primavera Restaurant Saturday night at around 7 p.m. and found the victims. They were taken to separate hospitals in serious condition.

Officials found Walsh’s girlfriend dead in their Needham home while conducting a well-being check at the Marshall Street apartment. The victim has been identified as 20-year-old Olivia Bergstrom.

Officials say the investigation is ongoing.

Walsh’s family members were reportedly holding a function at the restaurant when the incident occurred. Family members were able to restrain Walsh after the stabbings.

Officials say his mother remains in serious condition, but his father is improving and is “doing much, much better.”

Authorities have recovered a knife in connection with the incident.

It is not immediately known how long since Walsh’s girlfriend was killed.

The Norfolk County DA’s news conference can be found below:

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