Protests have been held for a second night in several us cities after the election of Donald Trump as President .
They were mainly young people saying a trump presidency would create deep divisions along racial and gender lines.
However police in Portland said they were dealing with vandalism and aggressive behaviour.
There were no reports of violence at the other protests, although demonstrators in Minneapolis briefly blocked an interstate highway in both directions.
In his tweet Mr Trump described them as “professional protesters” and said they had been “Incited by the Media”.
Meanwhile, us president-elect Donald Trump has said it was a “Great Honour” to meet President Barack Obama for transition talks at the white house.
Mr Obama said he was “Encouraged” by their “excellent” and “wide-ranging” conversation, lasting over an hour.
The president-elect was accompanied by his wife, Melania, who had a meeting with first lady Michelle Obama.
He, along with Vice-President-Elect Mike Pence, then met Republican House Speaker Paul Ryan, saying they “can’t get started fast enough, whether it’s healthcare or immigration”.
During the election campaign, Mr Trump vowed to dismantle Mr Obama’s Legacy and he has previously questioned his US citizenship.
Mr Obama, also called Mr Trump “Uniquely Unqualified”