Demonstrators shout slogans during anti-Donald Trump immigration ban protests outside Terminal 4 at San Francisco International Airport in San Francisco, California, U.S., January 28, 2017. REUTERS/Kate Munsch

CAIRO (Reuters) - The Arab League expressed deep concern on Sunday over U.S. President Donald Trump’s order to halt arrivals of refugees and people from seven Muslim-majority countries, saying the restrictions were unjustified.

The 22-member Arab League includes several countries whose citizens are affected by the bans.