Seven police officers and at least four workers were killed.

Seven workers were killed at various times during the construction.

All your workers have either been driven off or killed.

Wise killed the director, and three other white workers as well.

Forty political workers have been killed in the past few weeks.

In the second attack, eight workers were killed and three wounded.

Between 14,000 and 25,000 workers are killed annually in this country on the job.

Two workers were killed; so was a woman in a nearby apartment, the 28-year-old mother of a baby boy.

The names of the workers killed were not immediately released.

But for much of the afternoon, it was unclear how many workers had been killed.