In France, the main trade unions called for protests on Tuesday against the government's planned pension reform.
Prime Minister Elisabeth Borne is to push through the end of pensions at 62.
She presented the project on Tuesday at her headquarters after weeks of unsuccessful consultations with the unions.
The retirement age will be increased from the current 62 to 64 by 2030.
The contribution period will be increased to 43 years by 2027.
Michael Wiegel
Political correspondent based in Paris.
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Borne said she was aware the reform was raising fears in the country.
"We suggest that those who can, gradually work longer hours," she said.
This is the only way to secure the financing of future pensions.
The retirement age without deductions of 67 years will not change.
"It's a shelter for little people," she said.
Borne also announced the end of most special regulations.
The minimum pension is to be raised to EUR 1,200 per month later this year.
She named September 1 as the deadline for the start of the reform.
President Emmanuel Macron has declared the reform the most important project of his second term.
In a confidential note, the domestic secret services warned of the "social explosive power" of the reform, as reported by the television broadcaster BFM-TV.
A “large-scale social protest movement” cannot be ruled out.
Long-lasting strikes, such as the blockade of the fuel refineries last autumn, are to be feared.
The main union leaders wanted to meet on Tuesday evening to coordinate the dates for demonstrations.
The Left Party LFI has already announced a day of action on January 21st.
"Our determination to mobilize is very strong," said Laurent Berger of the CFDT union, which is seen as moderate.
The government's perspective for the younger generations is "from work to the cemetery", criticized CGT chairman Philippe Martinez.
The CGT will try to prevent the "social regression" by all means.