Trump's executive order on immigration: What we know and what we don't

President Trump’s executive order on immigration indefinitely barred Syrian refugees from entering the United States, suspended all refugee admissions for 120 days and blocked citizens of seven Muslim-majority countries, refugees or otherwise, from entering the United States for 90 days: Iran, Iraq, Libya, Somalia, Sudan, Syria and Yemen.

The order unleashed chaos on the immigration system and in airports in the United States and overseas, and prompted protests and legal action.

Here is a quick guide to what we know and what we don’t know about the order.

What We Know

The executive order was signed at 4:42 p.m. Eastern on Friday. The full