The standoff between protesters and police has entered its third day, with about 100 protesters barricaded inside a Hong Kong university campus.
Hundreds of protesters left Polytechnic University earlier, accompanied by mediators police had allowed in.
Those under 18 were allowed to leave without being arrested but adults were detained on the spot.
The school has in the past week, been turned into a battleground as anti-government protests show no signs of slowing down.
