The protests were called by CAAT- Campaign against the Arms Trade
http://www.caat.org.uk/ - under the theme "Site Unseen -Exposing the Arms Trade".
http://www.caat.org.uk/campaigns/site-unseen/introduction.php Prtoests are also announced in Dumferline and Glasgow.
Protesters gather at North Edinburghs BAE Systems to expose the Arms Trade
