Images that will stay.
There is that of a police officer caught in the Place de la Bastille.
In a cloud of tear gas, the official found himself thrown to the ground and struck by several people.
A rain of insults and beatings fell on him before a colleague could come to his aid.
There is also the chilling photo of Syrian photographer Ameer al Halbi, seriously injured during the evening.
The World Press Photo award-winning reporter was pummeled in the face and had his nose broken.
Reporter Without Borders denounced "unacceptable police violence" against the journalist.
The march against the "comprehensive security" law brought together, according to the Interior Ministry, 46,000 people in the capital.
