Police have released the two men arrested in Torquay under the Terrorism Act without charges.
The 18 and 20-year-old were arrested under Section 41 of the Terrorism Act on Thursday.
House searches in the Torquay area have now concluded and a criminal investigation will continue.
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Bridgwater and West Somerset is considered a Conservative safe seat - in 2010 they had a majority of over 9,000 votes.
Camborne and Redruth is a marginal seat. The Conservatives won it in 2010 by just 66 votes - a 0.16% majority.