JUST IN: Acting OMB chief sends memo stating that "under no circumstances" during a shutdown should government aircraft be used to support a congressional delegation "without the express written approval of the White House Chief of Staff."

JUST IN: Acting OMB chief sends memo stating that "under no circumstances" during a shutdown should government aircraft be used to support a congressional delegation "without the express written approval of the White House Chief of Staff." https://t.co/SigkmrcM5T pic.twitter.com/SLASYMrr1I

— ABC News (@ABC) January 18, 2019