Japanese authorities have launched an investigation into a radioactive drone that landed on the roof of Prime Minister Shinzo Abe's office.
No one was injured or any material damage was done, and Abe was on an official trip to Indonesia at the time.
The police said that they do not yet know who is responsible for this incident, and that they are investigating the possibility that the aircraft crashed during the flight in that area.
It is not clear when the aircraft landed on the roof either.
The spacecraft, to which the camera is attached, is about 50 centimeters in diameter and has four propellers, reports Japanese television NHK.
There is a sign on it that warns of radioactive material.
The British newspaper The Guardian reminds that today a Japanese court approved the restart of the nuclear plant, despite public concerns about safety after the Fukushima disaster in 2011.
Unmanned aerial vehicles in Japan are increasingly popular, especially for research, photography and recording, and their use is not legally restricted to flights up to 250 meters in height.
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