THREE people were arrested after painting anti-nuclear slogans on gates and notice boards outside the Faslane naval base.
The trio were taking part in a protest to mark the second anniversary of the United Nations' adoption of the Treaty on the Prohibition of Nuclear Weapons (TPNW).
Two more protesters were removed by Ministry of Defence Police after blocking traffic at the base's south gate.
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The protesters from the Trident Ploughshares campaign group painted slogans including 'Banned 7/7/17' , 'Nae Nukes Anywhere' and 'Redundant' on the notice boards at the base's north and south gates and covered the roadway with slogans.
The group identified the three people arrested by Ministry of Defence Police as Eoin McCarthy, Janet Fenton and Gillean Lawrence, and said they were charged with vandalism, taken to Greenock's police station and released shortly afterwards.
In a statement the group also said the two people who blocked the south gate of the base during Sunday's protest were Brian Quail, from Glasgow, and Faslane Peace Camp resident Willemien Hoogendoorn.
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Ms Fenton, the vice-chair of Scottish CND, said: “This is a real treaty that represents the global view of nuclear weapons in the light of the very real danger of burning up our planet and destroying all life.
"At a time when Scotland is in tune with a mature trans-national view it was necessary to re-name the base at Faslane for the redundant anachronism that it is.”
Ms Lawrence added: “The Scottish government could be more assertive in publicising the ban treaty, especially since the First Minister and most parliamentarians support it – a first step to getting rid of nuclear weapons from Scotland.
"Scotland's police and courts should be active in tackling this crime instead of arresting and convicting protesters.”
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Eoin McCarthy said: “On the second anniversary of the TPNW , after 122 countries voted to adopt it, and Extinction Rebellion has brought the climate crisis to public attention, Scotland wants to bin the bomb more than ever.”
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