President Donald Trump is campaigning in Republican-leaning states as his approval ratings dip. Trump held a rally in Ohio on Friday. He is also visiting Alaska and Iowa this week. The trips come amid a polling slump in key states. Trump’s Ohio approval has fallen to 35 percent, according to a survey. He is campaigning for Alaska Senator Dan Sullivan. In Iowa, he is backing Republican Ashley Hinson against Democrat Josh Turek. The White House says the rallies will energise the party base before the midterms. Critics say the visits show the party is worried about once-safe seats. Trump has also repeated a disputed claim about a 200 billion dollar investment from South Korea. South Korea’s President Lee Jae Myung disputed the figure. The blitz shows Trump’s focus on holding red states. The White House says the rallies will energise the party base before the midterms. Critics say the visits show worry about once-safe seats. The blitz underlines Trump’s focus on holding Republican states. More rallies are expected this month.