Strong storms, multiple tornadoes cause injuries, damage in San Antonio

Storm leaves behind heavy damage in San AntonioThe San Antonio Fire Department says more than 100 homes have been damaged in areas south of the city's airport, and just north of downtown.

In Thrall, Texas - 120 miles northeast of San Antonio - strong storms after midnight Monday caused a train to partially derail, the weather service told CNN. Residential homes accounted for most of the destruction, but an elementary school and a few commercial properties were also damaged. More than 100 homes have been damaged (some, it appears, irreparably) across the city, particularly in the Alamo Heights and Stone Oak areas. Authorities said the fire was under control.

At the height of the outages, CPS Energy reported almost 40,000 customers without power due to the storms.

KTRK-TV said there were five minor injuries reported following the storm.

The American Red Cross is working to relocate the dozens of displaced families left homeless after the storm blew tress through their homes or tore of their roofs.

A severe storm battered San Antonio, Texas, overnight, leaving a trail of significant damage in its wake.