61.   Hamas has taken to planting the same sorts of roadside bombs that the extremist Lebanese group Hezbollah relied on to kill Israeli soldiers.

62.   He outlawed all extremist groups who sponsor attacks against Israeli civilians and pledged to redouble efforts to arrest those responsible.

63.   He has not been linked to any extremist group, nor have the police uncovered evidence that he had plans to use the explosives.

64.   He returned to Afghanistan, where he received political protection and support from the Taliban, the armed religious extremist group that now controls much of Afghanistan.

65.   He will reportedly ask the two Arab leaders for support in pushing Arafat to dismantle the Islamic extremist groups operating in Palestinian territory.

66.   He said there are extremist groups in the shadows of the base.

67.   He survived, and the assassination attempt was widely blamed on extremist groups within the security forces.

68.   If he has spoken to extremist groups, he said, it is because they have shown interest in his work.

69.   If the Iraqi connection is established in the World Trade Center case, it will be despite a dauntingly complex skein of extremist groups.

70.   In arguing against an Arab link, officials and local experts on extremist groups pointed to the complex choreography of the attack.