 The attacks led to a further deterioration in his health.On 25 January 1881, while searching for members of the terrorist organisation Narodnaya Volya ("The People's Will") who would soon assassinate Tsar Alexander II, the Tsar's secret police executed a search warrant in the apartment of one of Dostoevsky's neighbours.On the following day, Dostoevsky suffered a pulmonary haemorrhage.