Donald Trump has signed a new travel ban targeting 12 countries, following a terror attack in Colorado that authorities blamed on a man they said was in the country illegally.

The ban, which strongly resembles a similar measure taken in his first presidency, targets nationals of Afghanistan, Burma, Chad, Republic of the Congo, Equatorial Guinea, Eritrea, Haiti, Iran, Libya, Somalia, Sudan and Yemen.

The White House said the ban would take effect on June 9 at 12.01am EDT (4.01am GMT).

A partial ban has also been placed on travellers from seven countries: Burundi, Cuba, Laos, Sierra Leone, Togo, Turkmenistan and Venezuela.

“The recent terror attack in Boulder, Colorado has underscored the extreme dangers posed to our country by the entry of foreign nationals who are not properly vetted

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