Fears about the possible spread of radiation has caused unease in Tokyo, Japan's capital and a usually bustling metrolpolis. <br /><br />Several companies are evacuating staff, and many citizens are leaving the city, despite assurances from the government that they are safe.<br /><br />Those who choose to remain in Tokyo are stocking up on supplies including canned goods, batteries, bottled water, face masks and petrol.<br /><br />Al Jazeera's Andrew Thomas reports from Tokyo.
