President Trump says he and Kim Jong Un “fell in love” after the North Korean leader wrote him “beautiful letters” and characterized the U.S. as having “a very good relationship” with North Korea.

The president’s comments, at a political rally Saturday night in Wheeling, W.Va., came just hours after a North Korean official said talks between the countries had deadlocked. The U.S. wants North Korea to dismantle its nuclear-arms program.

“Without...