Owen Paterson arrived in Somerset last night ahead of an official visit to some of the areas still cut off by flooding later today.
But with locals accusing officials of being slow to act, the visit may prove difficult for the Environment Secretary.
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The arrests were made on suspicion of producing and disseminating pedophilia content on the internet, the country's Justice Ministry said.
The A4-sized sketch originally went for £75 when it was first sold.