Business Secretary Grant Shapps has set out new laws requiring minimum levels of service from ambulance staff, firefighters and railway workers during industrial action.The proposals were condemned as unworkable and illegal by unions, which warned the legislation would "poison industrial relations" and lead to more walkouts.

Business Secretary Grant Shapps has set out new laws requiring minimum levels of service from ambulance staff, firefighters and railway workers during industrial action.The proposals were condemned as unworkable and illegal by unions, which warned the legislation would "poison industrial relations" and lead to more walkouts.