NEW : Government decides to euthanize livestock in no - entry zone . NEW : No need for alarm among the public , but nuclear workers face risks , government says . Similar plans are being considered for unit 2 , which also is thought to be leaking radioactive water , and unit 3 , where engineers noted a disturbing rise in the reactor 's temperature readings last week , Nagai told CNN . `` First we have to tackle unit No . 1 , and we need to see if we can succeed , '' he said . Tokyo Electric Power Company blames the accident on a faulty gauge . A new gas leak is suspected at Fukushima Daiichi Plant No . 1 .
NEW : Government decides to euthanize livestock in no - entry zone . NEW : No need for alarm among the public , but nuclear workers face risks , government says . Tokyo Electric Power Company blames the accident on a faulty gauge . A new gas leak is suspected at Fukushima Daiichi Plant No . 1 .