Tim Walz accepted the nomination for vice president in a Democratic National Convention speech that blended optimism with fierce critiques of Republican rival Donald Trump.The Minnesota Governor, little known before his selection by Vice President Kamala Harris, thanked the packed arena in Chicago."We're all here tonight for one beautiful, simple, reason: We love this country," Mr Walz said. "Thank you for bringing the joy to this fight."

Tim Walz accepted the nomination for vice president in a Democratic National Convention speech that blended optimism with fierce critiques of Republican rival Donald Trump.The Minnesota Governor, little known before his selection by Vice President Kamala Harris, thanked the packed arena in Chicago."We're all here tonight for one beautiful, simple, reason: We love this country," Mr Walz said. "Thank you for bringing the joy to this fight."