Radioisotopes Detected in Northern Europe

What the heck are the Russians up to now? Isn’t this exactly how Chernobyl started too?

22 /23 June 2020, RN #IMS station SEP63 #Sweden detected 3isotopes; Cs-134, Cs-137 & Ru-103 associated w/Nuclear fission @ higher than usual levels (but not harmful for human health). The possible source region in the 72h preceding detection is shown in orange on the map.

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Russia said on Monday it had detected no sign of a radiation emergency, after an international body reported last week that sensors in Stockholm had picked up unusually high levels of radioactive isotopes produced by nuclear fission.