Tsunami warning as third quake hits Japan

Today's 7.1-magnitude tremor forced the evacuation of workers from the crippled Fukushima nuclear plant (pictured), which was heavily damaged in the first quake on 11 March, the BBC reports. The epicentre of the quake was in Fukushima prefecture, and struck at a depth of just six miles. Early reports suggest the plant, which leaked radiation after last month's initial event, has not sustained further damage. It follows a second earthquake with a magnitude of 7.4 which hit Japan on 7 April. Today's quake, which sparked a 3ft tsumani warning, struck as Japan said it was extending ...