Meanwhile, Italian Prime Minister Giorgia Meloni has decided to approve an emergency decree to fight violent riots tomorrow, according to Sky News.

It follows serious unrest in Milan amid protests.

The government has also agreed to deploy more military personnel to the city.

A synagogue in Paris was broken into over the weekend as unrest swept the capital, according to a report.

The Ohalei Yaakov house of worship in Paris’ 19th arrondissement was raided on Saturday night, according to the Jewish Chronicle.

Books, tefillin and other objects were reportedly taken out of drawers and thrown on the floor.

It was unclear if anything had been taken.

More than 2,000 people have been arrested and streets and buildings devastated in France after nationwide protests involving hundreds of thousands of demonstrators.

At least half a million people protested rising living costs on Saturday, according to the Interior Ministry – as violent fringe groups set fire to buildings, looted businesses and supermarkets and attacked police vehicles. One protester died after suffering a cardiac ​arrest during a protest in Paris, where police made a record 855 arrests.

France woke to the aftermath of the unrest on Sunday morning to find their towns pillaged and streets strewn with rubbish and burnt-out cars.

Magistrates have ordered the first pre-trial detentions for protesters involved in Saturday’s protests, a police source tells Le Parisien.

They describe an unnamed 46-year-old man who was arrested after leaving a vandalised shop in Marseille, and a 22-year-old who was arrested “after throwing stones and paving stones at riot police”, according to the source.

Marseille has banned all public gatherings between midday and 8pm following a weekend of unrest, as nationwide protests over rising living costs and declining public services spiralled.

Benoit Payan, the mayor of the port city in southern France, said recent demonstrations had resulted in “almost a total loss of control”, lamenting “scenes of absolutely unprecedented violence”.

“We are the shame of Europe this morning ... I found myself thinking about the very idea of ​​what the Republic represents in this country - it has been brought to its knees,” he told BFM TV.

The administration issued an edict banning gatherings for most of Monday after a small number of protesters entered the city hall on Saturday. The mayor said dozens of shop windows had been smashed and that “hundreds” of vandals looted businesses in the city.

No 10 has condemned the riots seen on the streets of France in recent days.

A spokesperson for the prime minister said the violence across the country is “unacceptable”, and said British police have “powers and resources” to protect communities should copycat riots emerge.

“The violence we're seeing on the streets of France is unacceptable,” the spokesman said. “And while the power to protest is at the heart of democracy, this can never excuse violence.”

He added: "We know people in Britain are worried about the cost of living too. The prime minister said he wants to continue taking action to provide breathing space on the cost of living.”

Asked if the prime minister has a message to those in Britain thinking of taking up similar action, he said: “Our police obviously have the powers and resources needed to protect our communities and keep the public safe.”

Protesters on Monday blocked entrances to Le Louvre museum in Paris in support of the burgeoning student protest movement gripping France.

A leaflet displayed near the famous art museum read: “We are proud to announce that we are blocking the world’s largest museum.”

French equities led losses in Europe on Monday after one of the worst bouts of protest violence in years over the weekend, while broader sentiment was subdued ahead of a busy week of earnings.

The blue-chip CAC 40 index slid 1.02% after nationwide protests, triggered by rising prices and worsening public services, rocked the euro zone's second-largest economy as it grapples with weak growth and rising debt.

The pan-European STOXX 600 index was down 0.39% to 642.24 points by 0708 GMT after climbing more than 2% the previous week.

Banks fell the most, down 1.4%, with the bank-heavy Spanish benchmark down 0.9%.

Emmanuel Macron condemned on Sunday what he called the "dissenters" who looted and vandalised cities in "shocking" scenes across France on the sidelines of protests over the cost of living.

"Looking at these images, we have all asked ourselves: what was going through their minds? How can French people do this to France?" the French president said in a televised address to the nation. "Nothing justifies it, nothing explains it, nothing excuses it. Tonight, we all feel anger and shame."

Macron, whose final six months in office are being shaped by mounting political, fiscal and social pressures, said he had ordered a review to determine whether there had been failings in intelligence gathering or police preparedness before protests that were later marred by looting and violence.

Macron also said he had asked the government to bring together students, teachers, lawmakers, trade union representatives and business leaders this week to formulate what he described as "concrete proposals" to address the crisis, without providing further details.

Teenager loses eye and protester loses hand as scrutiny grows over French police tactics

French authorities have opened investigations into two serious injuries sustained during nationwide protests, as concerns mount over police use of riot-control weapons.

Prosecutors in Mulhouse, eastern France, said a 17-year-old girl lost an eye after being injured during the demonstrations.

A separate investigation was opened on Saturday after a young protester lost a hand in Saint-Etienne.

The circumstances surrounding both injuries remain under investigation.

The incidents have renewed scrutiny of French police tactics, particularly their use of grenades and other crowd-control weapons during demonstrations.

Meanwhile, Paris police said one person died of a heart attack during the unrest. The Paris prosecutor's office is investigating the death.