This is reported by BFMTV with reference to the police.
Previously reported 20 arrests.
It also became known that due to the regular protest action of “yellow vests”, about 80 thousand law enforcement officers were mobilized in France.
The number of "yellow vests" detained during the protests in Paris reached 30
2019-01-19T17:51:55.939Z
The number of "yellow vests" detained during the protests in Paris increased to 30.
Source: russiart