Despite the stepped-up diplomatic activity in the last few days, almost none of it has involved Mr. Milosevic.

In the seas, greater concentrations of macromolecules led to stepped-up activity all along the food chain.

The authorities have intensified their quest for the bomber since a period of stepped-up activity in the summer.

In addition, there is concern about stepped-up Iranian-sponsored terrorist activity in the region.

The institute is beginning a program that will emphasize a broader range of services to members and stepped-up political activities.

The soldiers arrived amid the buzz of stepped-up military activity here.

"There's obviously been stepped-up activity," a Justice Department official said.

Still, even with the stepped-up activity, there was rarely anyone to shoot.

The stepped-up activity follows the decision by Najibullah, the Afghan leader, to call off a brief cease-fire.

Israeli officials say that the stepped-up military activity is an effort to choke off shootings and bombings emanating from the Palestinian-ruled areas.