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Protesters have gathered outside the Liverpool Arena and Convention Centre where a conference on electronic warfare is taking place.

Critics are calling it an arms fair, which prompted a demonstration in the city recently where speakers included the former Labour Leader, Jeremy Corbyn.

It's being run by Clarion and the Exhibition Centre says their defence and security events serve only the legitimate interests relating to this industry.

Marc Gaier spoke to one of the organisers of the protest, Greg Dropkin, live from the event.