Mesa cop recovering after explosive hurled at car

Now at 5, three men are in custody and a police officer is recovering tonight after a small explosion in East Mesa. It happened this morning near 96th Street and Southern Avenue. And as that officer was responding to an emergency call, Fox 10's Brian Webb live with the latest on this tonight. Yeah, this happened around 6 a.m. That officer was responding to reports of shots fired. He was right about that intersection behind me on the corner, and that is when something exploded. And detectives were out here much of the day trying to figure out what it was that went off, who did it, and why. Drone video shows ground zero, a small explosion in the middle of the street at the crack of dawn, but big enough to rattle windows and walls in this quiet neighborhood, along with a few nerves. It just sounded like somebody dropped a huge garbage can off the top of a truck or something. It was just a real different type of a sound. Mesa police say the officer was responding to a shots fired call nearby, driving a marked vehicle, lights flashing, when suddenly something exploded near his vehicle with the officer in it. This is a look at the damage by the driver's side back wheel. The officer went to the hospital as a precaution and is expected to be okay. I just want to know what happened. And is there something I should be concerned about? Because our neighborhood is normally quiet. So there's something that could happen again in the future. Three men were detained on the scene possibly connected to the crime and police believe however it happened, it was no accident. Investigators have let us know that it was an undetermined explosive device. That was intentionally thrown at a police car. Police still aren't sure what kind of explosive went off and neighbors don't know either. Their guesses range from a small pipe bomb to a large firework. But either way, it was not a good way to wake up. And now you hate to make any assumptions, but it's just there's so much crazy stuff going on in the world. So police do not think there is a threat to the public tonight, and they don't think that explosion had anything to do with the original shots fired call. And again, the officer is expected to be okay. Live in Mesa, I'm Brian Webb, Fox 10 News.