A U.S.-backed group that is slated to take over aid distribution in Gaza says it plans to launch operations imminently despite opposition from the U.N. and the unexpected resignation of its executive director, who said it was clear the organization could not meet humanitarian principles.

How is the new Gaza aid plan supposed to work -- and why are so many aid groups against it?

A U.S.-backed group that is slated to take over aid distribution in Gaza says it plans to launch operations imminently despite opposition from the U.N. and the unexpected resignation of its executive director, who said it was clear the organization could not meet humanitarian principles.