Protesters march along Canal Street holding signs in Manhattan, on Sept. 23, 2020. Mayor Greg Fischer announced a citywide curfew from 9 p.m. to 6:30 a.m., and said city buildings would be closed. Portland has been gripped by protests for four months since the police killing of George Floyd in Minneapolis. The stone gothic-style church was built in the late 19th century and is known for its progressive ideology. "I urge everyone to commit once again to a peaceful, lawful response like we've seen here for the majority of the past several months," Fischer said.
Police had to carry out the shooting.
( z0 obligate :ARG2 ( z1 carry-out :ARG0 ( z2 police ) :ARG1 ( z3 shoot :ARG0 z2 ) ) )
(z0 / obligate-01
    :ARG2 (z1 / carry-out-03
              :ARG0 (z2 / police)
              :ARG1 (z3 / shoot-02
                        :ARG0 z2)))
Police had to carry out the shooting .
z0 :ARG2 z1
z1 :ARG0 z2
z1 :ARG1 z3
z3 :ARG0 z2