11.   Because of heightened security, passengers can expect to wait just as long to get through security checkpoints and boarding.

12.   A U.S. attorney and an FBI agent in Nebraska, saying they did not know of a diary, acknowledged that heightened security measures had been taken in Omaha.

13.   A security guard in Hollywood, checks in trunks and underneath vehicles entering the Paramount Pictures studio lot with a mirror during a state of heightened security.

14.   Adm. Robert Natter said the heightened security measures involve barrier buoys around warships, patrol boats and armed guards aboard docked vessels.

15.   After the bombings Friday, the United States placed embassies around the world on a heightened security alert.

16.   Air cargo carriers such as United Parcel Service and FedEx are also likely to face heightened security measures, which could slow urgent package shipments and further hurt commerce.

17.   Airports affected by the heightened security include those in Tokyo, Manila, Singapore, Bangkok and Taipei.

18.   All school districts reported heightened security, but their reactions differed.

19.   But because of heightened security at Staples Center, many fans were slow getting into the arena.

20.   But beyond these measures, there are few outward signs of heightened security at Wright-Pat.