1.   At that point, two of the three backup officers rushed in and opened fire, the police said.

2.   Eventually the Vietcong realized the Seals were closing in and opened fire.

3.   The guard said that a man jumped out of the truck and opened fire on him, possibly with a hand grenade.

4.   Then we learned that a man had walked into a brokerage office at a place called Securities Center and opened fire.

5.   A gunman spotted her and opened fire.

6.   The assailants dragged seven men to a nearby irrigation canal and opened fire on them Tuesday night.