Was It The Cat In The Hat?

Where's Dr Seuss When You Really Need Him?

A US driver was stopped on suspicion of being a terrorist after his radioactive cat was mistaken for a bomb. Anti-terror cops using specialist radiation detectors on motorway traffic flagged down the man. But a search of his car revealed only a cat that had undergone radiotherapy for cancer three days earlier.

FOOTNOTE: Felines, nothing more than felines.