Norwegian police have arrested a fifth suspect in the theft of Edvard Munch’s masterpieces The Scream and Madonna and said they may be closer to recovering the priceless paintings.

The city of Oslo offered a cash reward today for the return of Edvard Munch’s masterpieces The Scream and Madonna, which were stolen by gunmen in a brazen heist last August.

A 38-year-old man was ordered to be jailed for four weeks by the Oslo District Court, in Norway, today, while police investigate his alleged involvement in the theft of Edvard Munch’s masterpieces The Scream and Madonna.