President’s speech, declassification of documents and heightened claims of noncitizen voting have experts concerned

A series of moves by Donald Trump’s administration to sow doubt in the integrity of US elections has intensified concern among voting experts – and sparked hope among election deniers – that it could declare a national emergency.

The White House and US federal agencies have released a string of documents this summer – including disputed analyses of alleged voting by noncitzens and historical intelligence memos – stoking expectations that the US president could move to exert greater control over November’s US midterm elections.