Former Presidents Obama and Bush condemned Donald Trump’s closure of USAID. Obama called the move “a colossal mistake,” while Bush defended USAID’s role in saving lives through programs like PEPFAR.

Monday was the last day as an independent agency for the six-decade-old humanitarian and development organization.

Former Presidents Barack Obama and George W. Bush directly criticized the Trump administration’s move to fold the U.S. Agency for International Development into the State Department on Monday during a video tribute for the agency’s staffers.