Police estimated the overall number of protesters to have been at least 2,000.
The number of protesters in Seoul today was put at 35,000 to 100,000.
By the time they arrived there, more people joined, and the number of protesters reached about 1,500.
The police said the number of protesters was around 500,000.
Two witnesses put the number of protesters at about 2,000.
"What will we do if the numbers of protesters go beyond 100,000?"
On 23 February, the number of protesters was reported as about 50,000.
The police said the violence had been set off by a number of protesters, including some from around Europe.
On no occasion did the number of protesters reach more than a few hundred.
The number of protesters was reported by major news media as being around or above 10,000 people.