In the nine months to December 31, 2013, the number of fires soared by 54% to 1,074 — costing the economy an estimated £9.7m, while the figures taken from Cleveland Fire Brigade's latest quarterly report also showed the number of arsons on Teesside rose by almost 60% to 2,219, while there was a 70% increase in deliberate secondary fires and a 24% rise in industrial/ commercial fires — including the massive blaze at UK Wood Recycling's Wilton site, which flared on December 23 and burned for 16 days.