On New Year’s Eve, only a day after a guard at the Cantini Museum noticed that Edgar Degass Les Choristes ("The Chorus") was missing, French police questioned a night watchman at the museum, though it is not clear if he has been charged with the crime.

A sharp-eyed security guard noticed that the Degas was missing, alarming museum officials and administrators at Paris’s Musee d’Orsay, which had loaned the work to the museum for a show on the painter that had been scheduled to close on Jan 3. The small-scale pastel, depicting a chorus line, is valued at £710,000 ($1.15 million).

French investigators, noting that there did not appear to be signs of a break-in at the museum, have reportedly focused attention on employees at the museum in looking for a culprit.

Read more at BBC News.