(Story updated with a statement from Kraft.)
NEW YORK (TheStreet) -- A Kraft (KFT) employee that was suspended from her job Thursday returned shortly afterward with a gun and shot and killed two colleagues.
The shooter, a 15-year Kraft veteran identified as Yvonne Hiller, also critically injured a third employee before being arrested by a SWAT team. The incident took place at a Kraft plant in northeast Philadelphia.
said seven people nearby hid from the shooter but were later freed by officers. They were not considered hostages.
The Philadelphia Inquirer
said in total there were about 100 people inside the plant during the shootings.
The shots were fired shortly after 8:30 pm Thursday at a Kraft plant that produces cookies and crackers. The arrest was made about an hour later. It's not yet clear what led to Hiller's suspension.
Kraft said it will be offering counseling services to employees and that the plant will remain closed until further notice. In the meantime, the company is working with authorities as they investigate the shootings.
"This is a sad time for the Kraft Foods family," Kraft said in a statement. "We are saddened that two employees died as a result of this incident."
Kraft stock is trading flat at $30.76 midday Friday.
-- Written by Andrea Tse in New York.
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