At one stage up to 300 youths were in a tense standoff with riot police, who used wheelie bins as a barrier to keep them away from shops.

At the police blockade, a tense standoff escalated into a brief confrontation, but the marchers succeeded in passing the police line.

But after a tense standoff lasting several hours, the protesters formed a corridor and let the internal troops out.

After a tense standoff, the camp authorities, in a surprise gesture, ordered the withdrawal of all guards from the compound.