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

The Microsoft co-founder and philanthropist condemned his fellow billionaire for overseeing deep cuts to the U.S. Agency for International Development in the Trump administration.

But now, the Trump administration has suddenly halted PEPFAR five years early. Researchers estimate that without the program, an additional 1 million children will be infected with HIV over the next five years, an additional 500,000 will die from AIDS, and 2.8 million will be orphaned, according to The Lancet.