51.   The company said it was taking the steps as a precaution and officials said there was no evidence that any suspicious packages had been received.

52.   The employees can refuse to accept suspicious packages, they said.

53.   The FBI has launched an investigation into a series of suspicious packages received by the Library of Congress over the past year and a half.

54.   The FBI raced to take a look at a suspicious package near the Capitol.

55.   The inquiry began when a suspicious package was delivered to her Connecticut home several months ago.

56.   The mysterious letter was sent to an Islamabad lab for further testing, where three other suspicious packages sent to a computer firm and bank are also being examined.

57.   The marathon and other events Sunday were delayed by a half-hour because of a suspicious package at Figueroa Street and Pico Boulevard.

58.   The officers said they were on the lookout for suspicious packages or cars left on the street with their engines running.

59.   The Postal Service says it is the receiver who must be most alert to spot suspicious packages.

60.   The same terminal was evacuated on Christmas for almost three hours after officials noticed suspicious packages that turned out to be wrapped presents.