ISLAMABAD, Pakistan, Aug. 11 (UPI) -- An English-language audio message purportedly from al-Qaida No. 2 leader Ayman al-Zawahiri has urged Pakistanis to support the Jihadi movement.

WASHINGTON, June 30 (UPI) -- The U.S. military is looking for a contractor to patrol cyberspace, watching for warning signs of forthcoming terrorist attacks or other hostile activity on the Web.

WASHINGTON, May 28 (UPI) -- The FBI has warned 18,000 U.S. law enforcement agencies al-Qaida will issue a new call for use of weapons of mass destruction, ABC News reports.

WASHINGTON, May 20 (UPI) -- Sen. Joseph Lieberman, I-Conn., called Monday for YouTube to take down al-Qaida videos that users had posted, but the site said most of the videos his office had flagged did not contain material that violated their guidelines and rejected his request that they act to remove all material from U.S. designated terror groups.

WASHINGTON, Sept. 20 (UPI) -- A central plank of the al-Qaida resurgence noted by U.S. analysts is its sophisticated messaging and propaganda strategy, spearheaded by a state-of-the-art in-house multimedia production facility producing high-quality videos every three days or so.

LOS ANGELES, May 30 (UPI) -- An American al-Qaida member accused of treason Tuesday threatened a catastrophic terrorist attack if U.S. military forces don't get out of Islamic countries.

WASHINGTON, May 28 (UPI) -- A spokesman for al-Qaida has told an Arabic-language news magazine that the terror group is planning to try and use poisons to attack the United States, specifically threatening to contaminate the nation's water supply.

WASHINGTON, April 22 (UPI) -- News that U.S. intelligence and its allies disrupted a number of terrorist threats -- including from al-Qaida against U.S. troops in the Gulf -- during the war against Iraq, highlights questions about the nature of the continuing threat posed by the netwo

WASHINGTON, April 22 (UPI) -- U.S. intelligence agencies and their allies disrupted a number of terrorist threats -- including some from al-Qaida against U.S. troops in the Gulf -- during the war against Iraq, U.S. officials have told United Press International.