India, Oct. 20 -- The Louvre remained closed for a second day Monday as police hunted the thieves behind a daring daylight heist that saw priceless jewels stolen, even on camera.

Interior Minister Laurent Nunez, who acknowledged Sunday that securing the jewels was a "major weak spot," said the raid lasted just seven minutes and was likely carried out by an experienced team, possibly "foreigners."

The intervention of museum staff forced the thieves to abandon some of their equipment, the culture ministry added.

Four thieves are being hunted by French authorities for their brazen heist at the Louvre on Sunday, AFP reported, citing Paris's chief prosecutor.

Authorities said a team of 60 investigators is probing the robbery, with official...