Another four persons are now under arrest as part of the continuing probe into the last month's heist of precious jewelry at the Louvre Museum, as stated by the Parisian legal officials.
A pair of males, in their late thirties, and a duo of females, 31 and 40 years of age, were arrested on Tuesday. They all reside in the greater Paris area.
Included in this group is considered as the remaining individual of a group of four that is said to have performed the broad-daylight robbery, according to French media. The remaining trio suspected thieves are already in custody and indicted, officials say.
Police now have a maximum of four days to conduct interviews. Not a single clue has so far been found of the pilfered gems - valued at 88 million euros (76 million pounds; 102 million dollars) - which were taken on 19 October.
Four people have already been indicted over the heist - a trio of males and one female, who similarly reside within the Paris region.
A 38-year-old woman was charged earlier this month with involvement in organized robbery and criminal conspiracy with a view to committing a crime.
Separately, a man, aged 37, was accused of stealing and conspiratorial activities.
These two suspects, who have not had their identities disclosed, have disavowed any participation.
The robbery occurred when the team of four individuals used a stolen vehicle-mounted mechanical lift to enter the Galerie d'Apollon (Gallery of Apollo) through a terrace near the Seine River.
The men used a cutting disc to crack open exhibition cases housing the jewellery.
The perpetrators stayed inside for a mere four minutes and fled the scene on two scooters waiting outside at 9:38 AM, before transferring to automobiles.
A single pilfered object - a royal crown - was dropped during the escape but eight more objects of precious ornaments - including an emerald-and-diamond necklace that Napoleon I gave his second wife, the Empress Marie-Louise - were appropriated.
It has been stated that the heist was carried out by petty criminals rather than sophisticated criminal organizations.
Soon following the robbery, it was revealed by the Louvre's director that the sole surveillance camera observing the Galerie d'Apollon was pointing away from the balcony scaled by the robbers to break in.
The president of the Louvre has later confessed that the museum had failed in its obligations, but rejected claims that security was neglected - emphasizing that from the beginning of her tenure in two thousand twenty-one she had been consistently alerting of the need for more investment.
Since the incident, protective protocols have been enhanced at French heritage sites.
Officials have relocated a selection of its most valuable gems to the national bank after the theft.
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