Washington, June 19 -- The US President Donald Trump administration may expand its current travel ban by including citizens from 36 more countries, a Reuters report said, citing a memo from the State Department.

On June 4, Trump signed the proclamation banning travel from 12 countries. The White House said that this was needed to protect the United States against "foreign terrorists" and other national security threats.

Trump has launched an immigration crackdown since assuming office for the second time. The memo, signed by Secretary of State Marco Rubio, stated that the US is worried about how some countries manage the identity and security of their citizens.

The countries that might face restrictions if they don't meet US standards ...