First responders with ATCEMS, the Austin Fire Department and the Austin Police Department are responding to a possible explosion in southwest Austin in the 4800 block of Dawn Song Drive.
Federal agents with the FBI and ATF are also on scene and aiding in the investigation.
Initially reports came in of two possible explosions.
According to ATCEMS, two patients were transported to South Austin Medical Clinic with serious but not expected to be life-threatening injuries. Both patients are described as males in their twenties
The Austin Police Department is asking everyone to avoid the area at this time.
Residents in the immediate area of the 4800 block of Dawn Song Drive are being asked to wait in their homes and follow instructions of police officers if and when given.
It is unclear at this time what caused the blast or if it was related to the previous ones.
Tonight's explosion occurred far from the first three blasts, which happened in separate, suburban neighborhoods in the eastern part of Austin.