A US appeals court has ruled that banning gun sales to individuals aged 18 to 20 violates the Second Amendment, reshaping firearm laws.

A federal appeals court on Thursday ruled against a federal law requiring young adults to be 21 to buy handguns, finding it violated the Second Amendment.

A conservative federal appeals court said Thursday that a federal law banning the sale of handguns to 18- to 20-year-olds is ...