There's concern that radioactive beef is being distributed in Japan.

It's believed more than 40 cows were fed contaminated hay at a cattle farm near the Fukushima nuclear plant, and then slaughtered and sold nationwide.

Many consumers don't believe the government is doing enough to prevent contaminated food from being circulated.

Al Jazeera's Aela Callan reports from Tokyo on the second Japanese beef scare in a week.