SEATTLE — A 48-year-old South Seattle man was arrested Saturday on suspicion of a hate crime for threatening to kill U.S. Rep. Pramila Jayapal, according to King County prosecutors. A judge on Monday ordered the man remain jailed in lieu of $500,000 bail but denied prosecutors’ request for an anti-harassment order protecting Jayapal, said Casey McNerthney, a prosecutors spokesperson. Jayapal, 56, is a former state senator who became the first Indian American woman elected to the U.S. House of Representatives in 2016. A Democrat, Jayapal represents Washington’s 7th Congressional District, which…