It happened Monday night near North Super and Canal Street. The first 911 call came in as a family disturbance with someone shot in the leg.
When his ambulance arrived, police say there was a man in his car blocking the road. Paramedics asked him to move and eventually drove around him, but as the emergency crews attended to the victim, the suspect pulled out his gun and shot the ambulance at least four times with paramedics inside.
After the shooting, the suspect apparently jumped out of his car and fled. Officers found his car.
Jeremaih Silva is charged with aggravated assault with a firearm against a family member. Police say the case is still being investigated, and there's a possibility other charges might be filed.
Officers say Silva and his relative got into an argument in east Houston, then Silva allegedly shot the other man in the leg.
Houston police say the man who was originally shot in the leg ended up being transported by another ambulance. He is listed in stable condition at Ben Taub Hospital and is expected to survive.
There were no injuries in the second shooting.