A man has been arrested twice in Iwate for killing dozens of hamsters. He allegedly committed these acts on separate occasions, each time teaming up with a different woman. The killings are considered a violation of animal protection laws.

Police have reported that the man's actions resulted in the deaths of dozens of hamsters. The exact circumstances surrounding these incidents are not fully detailed here, but further information is available from the source.

The man's arrests indicate that authorities are taking action against those who violate animal protection laws. Details of the cases, including the motivations behind the killings, are not provided in this summary.