A delegation of French senators has visited the Louvre and stated the museum's security is "not in line" with modern standards, calling for improved measures at the Paris landmark that was the scene of a stunning heist earlier this month.

Thieves took less than eight minutes on October 19 to steal jewels valued at 88 million euros ($A156 million) from the world's most-visited museum.

French officials described how the intruders used a basket lift to scale the Louvre's façade, forced open a window, opened a breach in display cases and fled.

Two suspects were arrested on Sunday and are being questioned by police.

Senator Laurent Lafon, head of the Culture Committee at the Senate, said "we all noticed that the security equipment is not suitable for a 21st-century museum such as the Louvre

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