There was a violent wind, as well as thunder, and either one or the other split a tree off at the corner of the building: a huge bough fell across the roof, and knocked down a portion of the east chimney-stack, sending a clatter of stones and soot into the kitchen-fire. 
There was a violent wind: a huge bough fell across the roof, and knocked down part of the east chimney-stack, sending a clatter of stones and soot into the kitchen-fire. 