I heard a burst of laughter and looked down again.

After a moment's silence, he heard a burst of laughter from behind.

I heard a burst of laughter, then he disappeared into the building.

Suddenly he heard a burst of gunfire from somewhere behind him.

He paused on hearing a burst of laughter from up ahead.

But many people continue to hear occasional bursts of automatic weapons fire in the night.

He could hear bursts of radio chatter coming from the sheriff's car.

I heard a burst of talk forward: "Only a cloud!"

And then, from far away, they heard bursts of gunfire, explosions.

"We heard a big burst, like an explosion," she said.