The craft was too dark, but behind i have seen a long and large light blue flame, and all disapeared after a zigzag of 2 sec. The direction was est-west and i was looking to the south, about 45° . The weather is clear, stars setellites and planes was visible, and i haven't seen any falling stars.((NUFORC Note: Our gratitude to the witness for sharing the report with NUFORC. The return e-address confirms that the report was submitted from France. PD))