Updated

The family of a 6-year-old New York City boy stabbed to death in a public housing elevator has notified the city that it is planning a $281 million lawsuit.

The Daily News (http://nydn.us/1q9DmPB ) says the family of Prince Joshua "P.J." Avitto filed a notice of claim Wednesday. They say there is insufficient security at the Boulevard Houses in East New York.

The city's Law Department calls the case "very tragic" and says it will review the allegations.

The city says it's on track to install cameras at its facilities by year's end. It says it has already completed work at seven locations — including the Boulevard Houses.

Daniel St. Hubert has pleaded not guilty in the June 1 attack.

P.J.'s friend, 7-year-old Mikayla Capers, was stabbed 16 times but survived.

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Information from: Daily News, http://www.nydailynews.com