Great Fire of London (or Farynor) on Pudding Lane shortly after midnight on Sunday, 2 September, and spread rapidly west across the City of London. The major firefighting technique of the time was to create firebreaks by means of demolition; this was critically delayed owing to the indecisiveness of Lord Mayor of London Sir Thomas Bloodworth. By the time large-scale demolitions were ordered on Sunday night, the wind had already fanned the bakery fire into a firestorm that defeated such measures. The fire pushed north on Monday into the heart of the City. Order in the streets broke down as rumours arose of suspicious
Great Fire of London to inspect the scene. He found that houses were still not being pulled down, in spite of Bloodworth's assurances to Pepys, and daringly overrode the authority of Bloodworth to order wholesale demolitions west of the fire zone. The delay rendered these measures largely futile, as the fire was already out of control. By Sunday afternoon, 18 hours after the alarm was raised in Pudding Lane, the fire had become a raging firestorm that created its own weather. A tremendous uprush of hot air above the flames was driven by the chimney effect wherever constrictions narrowed the air current, such as