Elon Musk, the world's richest person, reignited his criticism Monday of the Trump-backed One Big Beautiful Bill Act.

Elon Musk warned that he would boost primary challenges against Republican lawmakers who vote for President Trump's so-called "big, beautiful bill."

WASHINGTON (AP) — Elon Musk on Saturday doubled down on his distaste for President Donald Trump’s sprawling tax and spending cuts bill, arguing the legislation that Republican senators are scrambling to pass would kill jobs and bog down burgeoning industries.