Like tropical storms, crises can blow up out of nowhere. That is what happened in India last week. Let not its suddenness and the fact that it centres on the doings of one man as against a state government, an insurgent group or an unfriendly nation lead us to minimise its seriousness. Frightening as their potential for violence may be, the challenges to the Indian state in Kashmir, Assam and the Northeast are not new. The one that threatens the Indian state today raises another issue altogether. What shall India be ruled by - the law or the mob? It has mushroomed out of nowhere because of the imminent prosecution of Bal Thackeray for his inflammatory writings in the Shiv Sena organ Saamna in January 1993. After six years of procrastination, the Maharashtra government finally approved his prosecution for "inflammatory articulation that sought to break communal harmony in the metropolis and elsewhere". Thackeray and the Shiv Sena have decided to challenge the prosecution not in a court of law but on the streets of Mumbai. For good measure, the Shiv Sena has asked the Centre to direct the Maharashtra government not to arrest Thackeray under the virtually unused Article 355 of the Constitution which lays down that "it is the duty of the Union government to protect states against 'internal disturbance'". If the state government refuses to heed the directive, Atal Behari Vajpayee will have the grounds to dismiss it. To administer an extra dose of sniffing salts to the aging Vajpayee, the three Shiv Sena ministers at the Centre have resigned.