Eight pieces stolen, but crown of Napoleon III’s wife dropped by the fleeing thieves

Thieves made off with priceless Napoleonic jewels during a spectacular daylight heist on Sunday at the Louvre, the world’s most-visited museum.

The museum in Paris, whose extensive collections include the Mona Lisa, was closed for a second day on Monday as police hunted for the suspects in the robbery, which has reignited a row over a lack of security in France’s museums.