The U.S. Homeland Security Department in 2010 identified a terrorist plan to contaminate salad bars and buffets at restaurants and hotels with lethal materials, CBS News reported.

The US government is creating a vast domestic spying network to collect information about Americans in the wake of the September 11, 2001 attacks and subsequent terror plots, said a Washington Post report.

An explosive device was found today under a subway-car seat in Rome and bomb-disposal experts were examining whether it was an attempted Christmas season terror attack, said an AP report.

The Department of Homeland Security and FBI issued an intelligence bulletin to encourage law enforcement agencies to be watchful over the holidays.

A Baltimore man has been arrested and charged in an alleged plot to bomb a military recruiting center in suburban Maryland, federal officials said.

After a failed terrorism plot in October, where bombs were shipped through UPS cargo planes, the company is making changes, and it comes during the busiest shipping time of year.