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JEFFERSON CITY, Mo. — Missouri lawmakers have overridden Gov. Jay Nixon’s veto of a bill creating a training program for teachers to carry guns in schools and expanding where residents can openly carry firearms.

The veto override early Thursday marks a victory for the Republican-led Legislature, which was unsuccessful last year in overriding the Democratic governor’s veto of a bill that sought to nullify some federal gun control laws.

This year’s bill would create a special training program for schools wanting to arm some of their teachers.

It also will allow residents with a concealed-gun permit to openly carry firearms, even in cities that have ordinances against it.

The bill will lower the age to obtain a concealed gun permit to 19 from 21.