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A lot of people are saying that... we knew in February. At that time, scientists and doctors were more or less of the same view, evidently something went wrong, evidently we were hit by a tsunami, and as you know, you're often not aware. In most cases 80-90 % reasons could be external. We don't know. We don't want to blame anybody. We know we're in power, we are responsible. . our focus is now on how we can save lives.