About 15 armed raiders hijacked two vans carrying millions of euros of jewels in France.
Police are combing the Yonne region in Burgundy (South East of Paris) and surrounding areas for the
The robbers kicked the drivers out of the car and drove off, said Police.
A man-hunt is now underway in the region.
No one was injured in the attack and the drivers of the two vans were left at the scene unharmed.
Police said the vans were found burned in a forest near the site of the attack on the A6 highway connecting Paris and Lyon. The jewels were not recovered.
It is believed the van was carrying a substantial amount of diamonds.