 The Walla Walla Fire Department responded to seven incidents suspected of being related to fireworks within the city limits from Wednesday, July 3rd to Friday, July 5th. Of the seven incidents, four were a combination of dumpster or garbage can fires. The fire department estimates $225 in property damage and $2,600 in fire department overtime expenses were incurred. Last year, WWFB responded to 25 known or suspected fires which caused more than $187,000 in damage