France's CGT union threatens to shut down three Total refineries on Monday

PARIS (Reuters) - Hard-left French trade union CGT said on Friday it will call on its members to shut down operations at three of Total's refineries in France on Monday afternoon if a final proposal to negotiate bonuses is rejected by management.Oil industry workers were on strike for a third day on Friday at four of France's seven refineries and unions urged employees to step up blockades to force the plants to halt production in a dispute over wages and bonuses.CGT's spokesman Thierry..