The report said the Trump administration last week sent 100 federal officers with the US Marshals Service and is considering sending an additional 50 US Customs and Border Protection (CBP) personnel.
The report added that the US Marshals Service and CBP did not respond immediately to requests for comment on the matter. However, the report said White House officials are expected to discuss today their plans to send additional personnel to Portland.
The federal officers in Portland have used tear gas and force against protesters, including journalists from Russia's Channel One who last week, who sustained injuries and had their equipment destroyed while covering the unrest near the federal courthouse.
Protests against police brutality and racism erupted in Portland and other US cities after the death of African American man George Floyd in police custody on 25 May. However, many of the protests have turned into riots complete with violence against police and civilians as well as acts of vandalism, looting and arson.