Bank's electrical system considered possible cause of blaze

Officials are considering a bank&#39;s electrical system as a possible cause of an early morning blaze yesterday. <br> <br> Fire officials said SunTrust Bank in northwest Atlanta sustained heavy smoke, heat and water damage. No injuries were reported. <br> <br> The call came in about 2:30 a.m. Thursday at the bank near Fulton County Airport-Brown Field on Fulton Industrial Road. <br> <br> Authorities said there was no sign of forced entry. An undisclosed amount of money in the bank was not damaged. It was in a safe inside a two-ton vault door. <br> <br> Battalion Chief Bill Brockman said the worst damage was around the vault door near a window. <br> <br> ``It&#39;s pretty heavy damage. I think it burned for a while,&#34; Brockman said.