US President Donald Trump has called for unity after suspected explosive devices were mailed to broadcaster CNN and leading Democrats, including former president Barack Obama and the Clintons, saying acts of political violence have "no place" in the United States.
Former Democratic presidential candidate Hillary Clinton was among some of the most high-profile Democrats targeted with America bitterly divided ahead of November 6 elections - seen as a referendum on the Republican president.
USA president Donald Trump, speaking from the White House, used his presidential perch to appeal for unity, saying acts of political violence have "no place" in the United States
Critics on the left accuse his rhetoric-laden presidency of emboldening right-wing extremists and condoning violence.
"At these times we have to unify and send one very clear and strong message that acts of political violence of any kind have no place in the United States of America," Mr Trump told an event on the opioid crisis.
Mr Trump, addressing the threats less than two weeks before crucial midterm elections, said acts of political violence "have no place in the United States," but the pair said the president's words "ring hollow until he reverses his statements that condone acts of violence."
