The NYPD is voicing concern over the latest issue of al-Qaida's Inspire magazine, which urges lone-wolf terrorists to detonate car bombs in New York City and includes a photo of Times Square.

The spring edition of the Internet-based, Western-aimed propaganda magazine, which officials say inspired the Boston Marathon bombers, contains instructions on how to build larger, more powerful car bombs than used in the past.

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"The new edition of Inspire has instructions on a new larger device, if I understand it correctly," NYPD Commissioner Bill Bratton said yesterday at a Police Athletic League function. "And among the photos and the encouragement of where to attack there is a photo of Times Square, 47th and Broadway."

One section encourages jihadists to plant bombs at large public gatherings such as sporting events and political rallies.