Gun-loving Swiss asked to toughen laws or risk EU tension

Swiss voters go to the polls on Sunday to decide whether to tighten up their gun laws to conform with European Union regulations.

Switzerland is not a member of the EU, but is part of the Schengen open-border treaty.

After the 2015 Paris attacks in which 130 people died, the EU issued Schengen members with new restrictions on automatic and semi-automatic weapons.

The EU hopes the rules will help police in Schengen countries.

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