<p>The level of iodine-131, reported a few hundred metres (yards) south of its southern water outlet has risen in a series of tests since last week, carried out by plant operator the Tokyo Electric Power Company (TEPCO).<br /><br />Previous readings there were 1,250 times the legal maximum on Friday, 1,850 times the limit on Saturday and 3,355 times the limit on Tuesday. A 9.0 magnitude earthquake and tsunami on March 11 knocked out the cooling systems of the Fukushima plant's six reactors -- triggering explosions and fires, releasing radiation and sparking global fears of a widening disaster.</p>
<p>The level of iodine-131, reported a few hundred metres (yards) south of its southern water outlet has risen in a series of tests since last week, carried out by plant operator the Tokyo Electric Power Company (TEPCO).<br /><br />Previous readings there were 1,250 times the legal maximum on Friday, 1,850 times the limit on Saturday and 3,355 times the limit on Tuesday. A 9.0 magnitude earthquake and tsunami on March 11 knocked out the cooling systems of the Fukushima plant's six reactors -- triggering explosions and fires, releasing radiation and sparking global fears of a widening disaster.</p>