Officers removed sound equipment, bottles were thrown and police drew their batons in confrontations with protesters. Speakers at the rally denied they were conspiracy theorists, arguing they were standing up for freedom of expression and human rights. Several people were seen being led away in handcuffs. After much shoving between them, another police officer steps in and shoves her to the ground, prompting even greater recriminations from her fellow protesters. The woman and police then grapple with what appears to be walking stick as onlookers shouted in her defence.
( causation ) officers grabbed and ushered in police officers during the protest.
( z0 correlate :ARG1 ( z1 and :op ( z2 grab :ARG0 ( z3 person :ARG0-of ( z4 have-org-role :ARG1 ( z5 police ) :ARG2 ( z6 officer ) ) ) :ARG1 ( z7 person :ARG0-of ( z8 have-org-role :ARG1 z5 :ARG2 ( z9 officer ) ) ) ) :op ( z10 usher-in :ARG0 z3 :ARG1 z7 ) :time ( z11 protest ) ) )
(z0 / correlate-01
    :ARG1 (z1 / and
              :op1 (z2 / grab-01
                       :ARG0 (z3 / person
                                 :ARG0-of (z4 / have-org-role-91
                                              :ARG1 (z5 / police)
                                              :ARG2 (z6 / officer)))
                       :ARG1 (z7 / person
                                 :ARG0-of (z8 / have-org-role-91
                                              :ARG1 z5
                                              :ARG2 (z9 / officer))))
              :op2 (z10 / usher-in-01
                        :ARG0 z3
                        :ARG1 z7)
              :time (z11 / protest-01)))
( causation ) officers grabbed and ushered in police officers during the protest .
z3 :ARG0-of z4
z4 :ARG2 z6
z2 :ARG0 z3
z1 :op1 z2
z0 :ARG1 z1
z1 :op2 z10
z10 :ARG0 z3
z4 :ARG1 z5
z10 :ARG1 z7
z2 :ARG1 z7
z7 :ARG0-of z8
z8 :ARG1 z5
z8 :ARG2 z9
z1 :time z11