A 22-year-old woman is dead after a double stabbing at Winchester Public Library.
Winchester police tell Boston 25 News they were called to the public library at 80 Washington Street just after 10:30 a.m.
When police arrived, they found a female and an elderly man both suffering from stab wounds.
"There were three to four police cars here, there was an ambulance and there was a woman taken out," said Russ Ganz, a Winchester resident.
Heartbreak in Winchester - family members confirm Deane Kenny Stryker is the victim in yesterday’s deadly library stabbing. Just 22 years old, she was a med student at UNE. Survived by her mom and 2 siblings. Watch @boston25 at 6 and 10 for how the community is remembering her. pic.twitter.com/nbHkJPqGMf— Jacqui Heinrich (@JacquiHeinrich) February 25, 2018
The victim, identified as Deane Kenny Stryker, of Winchester, was a medical student at UNE.
Middlesex District Attorney Marian Ryan says the 22-year-old female was in the library sitting at a table when the suspect - 23-year-old Jeffrey Yao - approached her from behind and stabbed her with a 10-inch hunting knife.
She suffered multiple stab wounds to the head and upper torso and was taken to the hospital where she was pronounced dead.
DA: woman died from injuries. Man attempted to help woman. Woman was at table, suspect Jeffrey Yao of Winchester allegedly stabbed her w/hunting knife. Stabbed in head and upper torso. Patrons came to help. Man stabbed during this.. @boston25— Evan White (@EvanWhiteIII) February 24, 2018
Several people in the library ran to help the woman, including a 77-year-old man who also sustained stab wounds. He was taken to the hospital.
Police chief confirms 2 stabbed at library. A person is in custody. Extent of injuries unclear. pic.twitter.com/CAI7vzve8L— Evan White (@EvanWhiteIII) February 24, 2018
Yao was arrested in connection with the stabbing. He is being held without bail and is facing murder and assault with intent to murder with a dangerous weapon charges.
Officials did not say if the stabbing was random or if Yao knew the victim. They are still investigating the stabbing - including the motive.
The victim has not been identified.
The Winchester Public Library released a statement following the incident:
"The Staff and Board of Trustees are deeply saddened by the tragic event which occurred at the Library this morning. Our thoughts are with the young woman's family and those who were injured and deeply traumatized. We are doing everything we can to cooperate with the investigation and will remain closed until at least Tuesday."
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