1.   The southern states now relied on tightening enforcement measures already on the statute books and increasing the alertness of the patrols.

2.   Mr Maginess added he believed the only answer was to tighten security measures and provide a stable political situation where problems could be solved.

3.   At issue is a government bill, due to be discussed in Parliament on Tuesday, that aims to tighten measures to prevent illegal immigration.

4.   Fearing terrorists might try to smuggle liquid bombs aboard U.S. airliners, the federal transportation authorities are tightening security measures for trans-Pacific flights.

5.   Though protective measures have been tightened at airports and aboard planes, many of the safeguards are makeshift and much remains to be done.

6.   After examinations were stolen last year, security measures were tightened.

7.   But the official added that security measures were tightened in coastal areas and other strategically important locations after threats from Kurdish groups earlier this year.

8.   Federal forces said they were tightening security measures after hearing warnings of planned terrorist attacks.

9.   He added that the organizers planned to tighten safety measures, but declined to elaborate.

10.   He said students would boycott classes until campus security measures were tightened and Omole sacked.