Further protests are expected in the US, as conservative activists call for social distancing measures to be relaxed.
In recent days groups of protesters, including some with weapons, have gathered outside state legislatures and the homes of officials.
President Trump has been accused of stoking partisan tensions after appearing to indicate his support in online comments. On Friday he posted tweets calling for people to “liberate” a number of states.
Washington State Governor Jay Inslee said the president’s “unhinged rantings” could put “millions of people in danger of contracting Covid-19” and lead to violence.
In a briefing on Friday, Mr Trump defended the comments and said some measures imposed by governors had been “too tough”.
According to the latest data from Johns Hopkins University, the US has more than 700,000 coronavirus cases with more than 37,000 deaths.
