1.  Security has been stepped up following the bombing.

2.  Now police are warning farmers and horse owners to step up security until the attacker is found.

3.  Although no one was hurt in the other attacks, the police have stepped up security around token booths, fearing more copycat assaults.

4.  At the major urban crossings, it would mean stepping up security at the risk of creating the gargantuan backups that have occurred in the last three weeks.

5.  Authorities also stepped up security around public buildings and enlarged the details guarding top cabinet members amid continued death threats against government leaders.

6.  Atwater said the company was stepping up security at its Canadian and other facilities, including plants in Britain and elsewhere in Europe.

7.  Beijing has also stepped up security at diplomatic compounds, running barbed wire along walls, blocking off streets and adding perimeter fences.

8.  Because the note also predicted that Monday would not pass without more deaths, county officials have stepped up security at schools.

9.  But the fear of terrorism prompted local authorities to step up security for days.

10.  Companies that stepped up security spending during the study period saw their losses decline, the researchers found.