Surely the member would admit that we should not prejudge the inquiry and that there were some students or even non-students who were members of groups such as the International Socialist Workers Party and other radical organizations who were clearly there to disrupt the summit, posing a security threat and tearing down a security wall separating them from heads of states.
Security at the summit was so secure no one was able to attend the summit without an invite.
( z1 have-degree :ARG1 ( z2 security :location ( z3 summit ) ) :ARG2 ( z4 secure :ARG1 z2 ) :ARG3 ( z5 so ) :ARG6 ( z6 possible :ARG1 ( z7 attend :ARG0 ( z8 no-one ) :ARG1 z3 :manner ( z9 invite :polarity - :ARG1 z8 :ARG2 z7 ) ) ) )