Gallery: Black and Blue clash

QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters hold flags during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters hold flags during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A police officer keeps a Black Lives Matter supporter from clashing with the Blue Lives Matter supporters during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters clash with Black Lives Matter supporters on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters hold flags as Black Lives Matter rally against them on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters clash with Black Lives Matter supporters on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters clash with Black Lives Matter supporters on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Black Lives Matter supporters screams into a bullhorn towards the Blue Lives Matter supporters as the two groups clash on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Blue Lives Matter supporter pushes a Black Lives Matter supporter as the two groups clash on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A police officer keeps a Black Lives Matter supporter from clashing with the Blue Lives Matter supporters during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Quincy Police try to block Black Lives Matter supporters from getting to the Blue Lives Matter supporters during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A police officer keeps a Black Lives Matter supporter from clashing with the Blue Lives Matter supporters during a rally on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: Blue Lives Matter supporters clash with Black Lives Matter supporters on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Blue Lives Matter supporter chest bumps a Black Lives Matter supporter as the two groups clash on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Blue Lives Matter supporter shouts obscenities to Black Lives Matter supporters as the two groups clash on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Black Lives Matter supporter shouts at a Blue Lives Matter supporter as the two groups clashon October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)
QUINCY, MA. - OCTOBER 7: A Blue Lives Matter supporter pushes a Black Lives Matter supporter as the two groups clash on October 7, 2020 in Quincy, Massachusetts. (Staff Photo By Matt Stone/ MediaNews Group/Boston Herald)