London's Metropolitan Police Service said a 31-year-old man had been arrested in London Friday night on terrorism-related offenses, but following standard practice would not give the arrested man's name.

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Well before the G4S debacle hit the headlines, London's Metropolitan Police Service, known as the Met, was planning what it says is its biggest-ever peacetime operation.

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London's Metropolitan Police Service, known as the Met, is undertaking what it says is its biggest-ever peacetime operation, running for 66 days across 1, 000 venues, including sporting and cultural events, and making use of up to 9, 500 police officers on the busiest days.

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Most of the time, the guerrilla gardeners' gardens are gardens of peace unless, of course, landowners decide they don't want them there, which, with the exception of an angry bar owner in east London, usually never happens -- a spokesperson for London's Metropolitan Police Service said that while he had never heard of the seed-sowing bandits, any criminal activity -- even illicit gardening -- is discouraged and would be subject to prosecution.

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After that, officers at Devon and Cornwall Police and the Metropolitan Police Service in London concentrated investigations on allegations he had abused children at his former residence in London and current home in Cornwall.

BBC: Cornwall