France, Nov. 10 -- The Paris metro was at a standstill Thursday with operators threatening to stage an indefinite strike next week amid a dispute over pay and conditions. Up to 4,000 demonstrators marched thoughcentral Paris -and up to 60,000 nationwide -as part of a multi-sector protesttopressure the government overits pension reform.

Seven lines of the Paris metro werecompletely closed and seven others open only during rush hour asthe UNSA RATP transport union warned it could not rule out a repeat of the rolling strikes that crippled the French capital in December 2019.

"I say it clearly, if ourdemands are not met the movement will last much longer than today," union boss Arole Lamasse told BFMTV.

All unions affiliated with the RATP ...