NEW : Large pumps begin to arrive in Japan this morning . His cumulative exposure is 16 millisieverts , well below the 250-millisievert limit for workers in the plant . A plant worker falls ill and is diagnosed with exhaustion . Engineers hope the drone will give them a better view of the reactors . More than 5000 people protest against nuclear power in Tokyo .
NEW : Large pumps begin to arrive in Japan this morning . A plant worker falls ill and is diagnosed with exhaustion . Engineers hope the drone will give them a better view of the reactors . More than 5000 people protest against nuclear power in Tokyo .