The DUP MP for East Derry Gregory Campbell has called for a police investigation into social networking sites after what he termed vile and vicious threats were made against him on Facebook.
A number of groups have been established on the site, one of which appears to include Mr Campbell with a bullet hole through his forehead.
Mr Campbell says initially, he dismissed the sites as the work of people with too much time on their hands, but became more concerned over the weekend.
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