But there were some indications that the walkout was losing a little momentum, even as strikers voted to keep going through the weekend.
Fewer than one-third of train drivers stayed off the job Friday, down from 60 percent in the first full day of walkouts on Wednesday.
Several unions for both the national rail operator, SNCF, and the Paris transit authority RATP agreed to press on with the strike through Monday, labor officials told The Associated Press.
Unions called the walkout to protest Sarkozy's plans to strip away generous pension benefits for train drivers and some other state-run sectors. Sarkozy's image as a reformer depends on him not caving into the pressure.
SNCF executive Guillaume Pepy said Friday that "some uncontrollable strikers or outside elements" were blocking trains by setting fires or setting off firecrackers. He called such unrest "scandalous and absolutely unacceptable."
The discovery of the submarine has unveiled a few "inconsistencies." For example, how can one explain the fact that the sub was found where it needed to be searched for from the start?
When on a state visit to Singapore, Russian President Vladimir Putin promised to revisit the discussion of the 1956 Declaration between the USSR and Japan regarding the issue of the peace treaty with Japan
The TurkStream, which runs along the bottom of the Black Sea from Russia's Anapa to Turkey, will consist of two lines, each with a capacity of 15.75 billion cubic meters of gas a year