11.   Civil defense authorities have warned schools to beware of suspicious items and strangers near their buildings.

12.   Denver International Airport could become a test site for a German explosives-detection system that can identify the chemical composition of a suspicious item.

13.   He says the monitors keep cameras running that could detect suspicious items showing up in labs or on assembly lines.

14.   Metal detectors were used in the search, beeping when they passed over a suspicious item.

15.   Officials shut down the street for nearly two hours while they checked other suspicious items in the vehicle.

16.   Pressler urged Israelis to be aware of the increased possibility of an attack and to report of any suspicious items or persons.

17.   Screeners spotted the suspicious item in a box as it passed through a scanning machine for departing passengers, Winfrey said.

18.   She was about to board a flight for Los Angeles when screeners conducted a hand check of her carryon bag and found the suspicious items, police said.

19.   The report did not name any suspects for either blast, but civil defense authorities have warned schools to beware of suspicious items and strangers near their buildings.

20.   Warwick was scheduled to fly to Los Angeles when screeners noticed a suspicious item in her carry-on bag.