What to know about the $810 million in spending canceled by President Trump

Each year, Congress passes laws which allocate money to the federal government's various programs and agencies. Trump, for the second year in a row, is refusing to send some of that money to the places that Congress says it has to go, setting off a fresh battle with lawmakers over who controls federal spending.

Of the $810 million being withheld, $567 million comes from programs that "provided services to refugees, asylees, and other non-citizens," according to a memo from the White House.