Foreign Office defends 'constantly reviewed' travel advice.

(From Western Daily Press)

The Foreign Office has said its travel advice for Japan is "under constant review" following Friday's tsunami and uncertainty over the stricken nuclear plant.

Several other countries have made more drastic recommendations for their citizens, with Italy urging its nationals who do not have to remain in the country to leave.

The Italian Foreign Ministry's crisis unit is working with Italian airline Alitalia to arrange for their nationals to be flown out of the country.

France had already warned its citizens to leave Tokyo because of aftershocks and concerns over the Fukushima Dai-ichi nuclear complex.

But the …