NEW: Trump admin. cites what it claims is a national security "emergency" allegedly caused by Iran to bypass Congress and rush arms sales worth billions to Saudi Arabia and other Middle East allies; draws condemnation from lawmakers on both sides of aisle.

NEW: Trump admin. cites what it claims is a national security "emergency" allegedly caused by Iran to bypass Congress and rush arms sales worth billions to Saudi Arabia and other Middle East allies; draws condemnation from lawmakers on both sides of aisle. https://t.co/5AVehWucEM

— NBC News (@NBCNews) May 24, 2019