PHILADELPHIA (AP) – Commissioner David Stern is aware the NBA has increased security around Boston Celtics guard Tony Allen, though he wouldn’t give specifics about the situation.

“I want to say this the right way. That issue is not a new issue for us in our league over the last 25 years,” Stern said Friday before watching the 76ers play the Orlando Magic in Game 3 of their first-round series.

“It’s just you haven’t read about it and we haven’t talked about it. I’m not going to talk about it now other than to say it’s something we’re aware of. We always deal with it and we have a security representative in every city. We liaise with law enforcement and we do what we have to do at all times. It’s nothing new at all.”

Allen has been receiving death threats, according to a report in the Boston Herald.

The Celtics beat the Bulls in Game 3 of their series Thursday night in Chicago, where Allen grew up.

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