Scientists for Global Responsibility (SGR) and Campaign Against Arms Trade (CAAT) have jointly condemned the sponsorship of a youth science event by the UK's largest arms company - saying it promotes weapons sales.

Civil servants working at UK Trade and Investment (UKTI), a department responsible for promoting exports, will this morning be warned about arms dealers working in their offices.

The government unit responsible for promoting British exports, UK Trade and Investment (UKTI), is facing calls for an end to its role in the arms trade, as activists launch a new campaign to keep up pressure on the suthorities.

Campaigners against the arms trade are recruiting Christmas characters to embarrass organisers of a family exhibition who are also backing death-dealing weapons exports. They are invoking the real 'reason for the season'.