After an Afghan national was charged with shooting two National Guard members in Washington DC, President Donald Trump called for sweeping changes in immigration policy and pledged to "permanently pause migration" from all "third world countries".

Afghan nationals, especially those who worked with the US mission in Afghanistan, may now find themselves in a particularly precarious position.

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Photo: People leave flowers at the scene where two National Guard members were shot in Washington DC. Credit: Will Oliver/EPA/Shutterstock