Donald Trump is taking the unusual step of holding a Republican national convention just weeks before the US midterms. The two-day Dallas event aims to energise voters and protect Republican control of Congress, but comes as Trumps approval rating has fallen to 33%.

Republicans will descend on Dallas this week for a two-day convention dreamed up by President Donald Trump to rally his party in this year’s midterm elections

President Donald Trump is embracing his inner cowboy, seeking to gallop into this week’s Republican convention in Dallas