Fire fighters battled a huge brush fire on the 35 Bypass between Rockport and Aransas Pass this evening. It sparked just after 7 o'clock. Fire fighters have the blaze contained, but described it as a medium sized brush fire. Initial reports say it was started by fireworks. Several agencies responded including Fire Fighters from Rockport, Fulton, Ingleside, Lamar, Aransas Pass, and others. Northbound traffic on the Highway 35 Bypass is completely shut down. Fire officials say it should re-open by 9 tonight. No structures were threatened.