The terror plot, which officials have been tracking for weeks, is believed to target multiple countries, including the U.K., France, and Germany, these officials said.

The exact nature of the plot or plots couldn’t be learned immediately, and counterterrorism officials in the U.S., Pakistan and Europe are continuing to investigate. There have, however, been multiple terror warnings in recent days in France, Germany and the U.K.

“There are some pretty notable threat streams,” said one U.S. military official, who added that the significance of these threats is still being discussed among counterterrorism officials but that threats of this height are unusual…

The CIA has launched at least 20 drone strikes so far this month in Pakistan’s Federally Administered Tribal Areas, a lawless region neighboring Afghanistan. That is the highest monthly total in the past six years, according to a tally by the New America Foundation think tank.