He spent most of his career in farm education, including eight years in Bolivia, where, as a volunteer for the Mennonite Central Committee, he created demonstration farms in an area where the mining economy had collapsed.

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Ayman Mehanna says he was a bystander in an area where a demonstration was taking place when he was arrested by plain-clothed policemen.

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But the London force is also reportedly using software that masquerades as a mobile phone network, allowing it to intercept communications and gather data about users in a targeted area, such as a demonstration.

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It, it visits Leichhardt's best food outlets, teaches the history of Italians in the area and culminates in a cooking demonstration and Sicilian lunch.

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At the LC, they were given a demonstration, and toured a children's play area, gym and the centre's major new pool, which boasts a giant undulating waterslide.

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U.S. Education Secretary Arne Duncan told an assembly of marchers, after they reached their rallying area midway between the White House and the Capitol, that Saturday's demonstration wasn't about the Second Amendment.

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On Monday, counterterrorism police closed off an area outside the president's office that was to be the site of another demonstration.

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