41.   The Shin Bet, meanwhile, enforced unprecedented security measures Thursday to protect public officials.

42.   The shows are going ahead amid unprecedented security.

43.   The trans-Atlantic move presents an unprecedented security challenge.

44.   The two have been given unprecedented security since then.

45.   The unprecedented security measures have caused miles-long traffic jams during morning rush hour.

46.   The warnings about an Islamic Jihad attack on the Shalom Tower prompted the unprecedented security measures earlier this week, Haaretz said Friday.

47.   The unprecedented security measures have caused miles-long traffic jams during mourning rush hour.

48.   There was unprecedented security for the prime minister during his visit to Lucknow.

49.   There was unprecedented security in and around Parliament today.

50.   To prevent trouble from neo-Nazis or Arab extremists, an unprecedented security operation has been mounted.