There was (an exchange of) 'gunfire' between the gangs. [=they shot guns at each other]
We heard 'gunfire' in the distance.
(..) anyone should be there. I heard movement on the other side of the locker-room door. I heard Bizu say: "Oh, it's you." And then there was gunfire. Ponton, go to your databases. I want to interrogate every person in Paris with the name "You." And, Ponton... ...don't you find it (..)2006 The Pink Panther