Watch live: Trump holds a rally in Missouri

President TrumpDonald John TrumpAmash responds to 'Send her back' chants at Trump rally: 'This is how history's worst episodes begin' McConnell: Trump 'on to something' with attacks on Dem congresswomen Trump blasts 'corrupt' Puerto Rico's leaders amid political crisis MORE will hold a rally at 7:30 p.m. ET in Colombia, Missouri, on behalf of Republican Josh Hawley, who hopes to unseat Democratic incumbent Sen. Claire McCaskillClaire Conner McCaskillTrump nominees meet fiercest opposition from Warren, Sanders, Gillibrand Feds allow campaigns to accept discounted cybersecurity services GOP frets over nightmare scenario for Senate primaries MORE.

Watch live above.