 On the evening of 31 January, fire crews focused on containing the fire's northern flank, which was within 2 km of the main power transmission lines supplying electricity to Melbourne from the Latrobe Valley; the fires also threatened the Hazelwood Power Station.By 1 February, containment lines had been established around the Boolarra fires, although it was not yet under control.The fire had burned through 65 km2 and destroyed 29 houses, along with various outbuildings and also livestock.