A Hong Kong university has tightened campus access by refusing entry to most visitors, ahead of the anniversary of a 13-day siege last year which turned its campus into a battleground between radical anti-government protesters and police.
Polytechnic University on Friday adopted a raft of measures to strengthen campus security, including installing turnstiles at all entrances and requiring visitors to register via students or staff before their visits.
On November 17 last year, radical protesters on the campus engaged in violent confrontation with police, hurling petrol bombs at officers, who in turn used tear gas to disperse the violent mob. The force later declared the unrest a riot and laid siege to the campus for a fortnight.
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