One of them, Donald Miller, even goes so far as to say that vaccines cause childhood cancer, despite the complete lack of evidence for this wild claim.

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They now face a claim for damages and costs from EDF, which said they cause "damage, cost and disruption".

BBC: West Burton power station

But human rights groups and residents claim the operations carried out by the army in their search for militants frequently cause civilian casualties.

BBC: Asia

As for the claim that exhibitions contribute to knowledge, the practice of having catalogues that cause no offence hastily written by committees usually discourages original research or the expression of controversial ideas.

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