The police said the number of protesters was around 500,000.
The number of protesters was reported by major news media as being around or above 10,000 people.
Many of the protesters are looking to Congress for help.
Two of the protesters fall to the ground, one not moving.
Most of the protesters today were in their 20s or 30s.
It hit the ground near the group of about 20 protesters.
The streets are full of protesters not too happy with the plan.
"What will we do if the numbers of protesters go beyond 100,000?"
The police said the violence had been set off by a number of protesters, including some from around Europe.
A significant number of the protesters could be city employees.
