Donald Trump is to trigger his plan to build a wall on the US-Mexico border, in a symbolic move to follow through on one of the signature issues of his populist campaign for the White House.
The new US president is expected on Wednesday to issue an executive order directing the government to use funds to start construction. US media reported that Mr Trump would sign the order during a visit to the Department of Homeland Security whose secretary, retired general John Kelly, was confirmed last Friday.
The wall is one of several immigration and border security measures expected to be announced on Wednesday, as the president moves to implement his controversial anti-immigrant agenda.
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