| http://www.w3.org/ns/prov#value | - Passengers are often instructed to be extra-vigilant, including looking out for persons behaving oddly while on or in the vicinity of mass transit vehicles or stations, being dressed out of character for the weather, or leaving behind bags or packages.[10] However, this has also been criticised as scaremongering,[citation needed] as the likelihood of terror attacks on public transport is, for the
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