Strong winds spread fire throughout duplex in NE Bexar County 2 families displaced by fire Updated: Tags: SAN ANTONIO – Strong winds did no favors for firefighters who were battling a fire in a duplex in Northeast Bexar County early Friday. They say gusts of up to 20 miles per hour caused the flames to whip up and quickly spread. Firefighters say one of the residents called them around 2 a.m., saying there was fire in his garage. By the time firefighters arrived in the 6600 block of Montgomery Drive, the flames had spread into the common attic and were shooting through the roof.