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Ten years on from 9/11, Newshour's Claire Bolderson visits New York and neighbouring New Jersey to assess how the events changed America.

She'll be in Manhatten for a live special programme covering the official memorial ceremonies, and will be speaking to a range of Americans about how 9/11 affected American identity, power and wealth.

We'll also hear from Pakistan, Afghanistan and the Arab world, and Lyse Doucet will be looking at where the next security threat might come from.