By Lucinda Elliott (Reuters) -Mexican President Claudia Sheinbaum said on Saturday that U.S. President Donald Trump had proposed sending U.S. troops to Mexico to combat drug trafficking, but said she had rejected that offer because "sovereignty is not for sale.

Mexican President Claudia Sheinbaum said she drew a red line to protect the nation's sovereignty during a recent phone call with President Donald Trump, firmly rejecting his proposition to deploy U.S.