NEW LONDON, Conn. (WTNH) — Firefighters battled a two-alarm fire in downtown New London Wednesday.

The New London Fire Department responded to the call at 136 Bank St. around 11:30 a.m. Flames could be seen coming from the vacant building. Workers inside the building made it out safely by escaping through the back door, New London Fire Chief Thomas Curcio said.

“When I arrived on scene, there was heavy fire coming out the backside of this building,” the fire chief said.

Curcio said buildings nearby were evacuated.

“I went out front to look and you could see smoke just everywhere,” Robert Ramsay, the owner of RD86 Space said. “Smoke started pouring out of the building and then all of a sudden, the whole thing got engulfed. The fire department got there real quick. Thank god.”

Within an hour, the flames were extinguished.

“With the windy conditions that we have today and the amount of fire coming out of this building, they did an excellent job getting all the equipment in place containing the fire to this building,” Curcio said.

The upper floors of the vacant building are being transformed into apartments. Despite the significant damage, it is not a complete loss.

An investigation is underway to determine the cause.