US pulls ships, aircraft from Japan nuke plant
The US Seventh Fleet moved ships after discovering radioactive contamination.
Tokyo: The US Seventh Fleet said on Monday it had moved its ships and aircraft away from a quake-stricken Japanese nuclear power plant after discovering low-level radioactive contamination.
The fleet said that the radiation was from a plume of smoke and steam released from the crippled Fukushima Daiichi Nuclear Power Plant, where there have been two hydrogen explosions since Friday`s devastating earthquake and tsunami.
The aircraft carrier USS Ronald Reagan was about 100 miles (160 kilometres) offshore when its instruments detected the radiation. The fleet said the dose of radiation was about the same as one month`s normal exposure to natural background radiation in the environment.