21.   -- A Los Angeles Times poll published Saturday found that most Americans favor tougher measures to prevent terrorist attacks, even if they entail eroding some civil liberties.

22.   A prescription medication is used to prevent panic attacks, reduce their frequency and severity, and to decrease anticipatory anxiety.

23.   A reportedly furious Musharraf convened emergency meetings this week to examine why security forces failed to prevent the attacks, from which the perpetrators escaped.

24.   According to officials in the Palestinian Authority, Arafat said he had issued orders to all commanders Friday to prevent attacks on Israelis.

25.   After the killings, the Israeli army closed Martyrs Street to Palestinian motorists to prevent revenge attacks on Jewish enclaves along the road.

26.   Air intakes should be secured to prevent biological attacks.

27.   Albright called on the Palestinian Authority, lead by President Yasser Arafat, to prevent terror attacks and resume cooperation with Israeli security officials.

28.   Both leaders claim Arafat has not done enough to prevent attacks against Israelis.

29.   But a lawyer for Louima said police supervisors should have prevented the attack, or at the very least, reported it to Internal Affairs immediately.

30.   But almost without exception, they said the role of the government should be limited in creating measures to prevent the attacks.