Bill Gates accused Elon Musk of killing poor children as he announced Thursday that he would donate his remaining fortune to his charity, the Gates Foundation.

The feud between billionaires Bill Gates and Elon Musk ramped up this week, with Gates accusing Musk of “killing the world’s poorest children” through massive cuts to the U.S. Agency for International Development, one of the first targets of Musk’s U.S. DOGE Service under the Trump administration.

The picture of the world’s richest man killing the world’s poorest children is not a pretty one,” the Microsoft mogul said bluntly.