A U.S. Agency for International Development (USAID) official wrote in a series of memos that the Trump administration's upheaval of U.S. foreign aid will trigger devastating human costs. The big picture: With lifesaving services blocked,

A senior official with the U.S. Agency for International Development in an email on Sunday warned that the Trump administration's dismantling of the agency will result in unnecessary deaths -- only to email his staff less than 30 minutes later to say that he had been placed on leave.

Health groups and non-governmental organizations expressed surprise and outrage Thursday and said many humanitarian programs would collapse after the Trump administration's decision to cut 90% of USAID's foreign aid contracts.