21.   Both incidents follow a serious accident that has indefinitely shut down a controversial plutonium-based reactor.

22.   But the incident followed the pattern of previous ones blamed on the Iranian-backed Hezbollah, or Party of God, guerrilla group.

23.   Several incidents have followed, including a brawl in the school cafeteria last year waged by two dozen chair-throwing students.

24.   The coin throwing incident followed a controversial decision by the referee, enraging the Greek fans.

25.   The bomb threat incident followed a number of verbal duals which has lead to increased tension and animosity between Premsak and Sanan.

26.   The coin throwing incident followed a controversial decision by the referee enraging the Greek fans.

27.   The firebomb incident followed the worst clashes in years between Israeli soldiers and Palestinian demonstrators calling for the release of Palestinian prisoners in Israeli jails.

28.   The incident followed a day of severe gales, heavy rain and high tides which left flood warnings in force in many parts of Britain and Ireland.

29.   The incident followed a string of attacks on Jewish targets in recent days that has coincided with heightened tensions in the Middle East.

30.   The incident followed an FBI-issued public warning Monday of a possible terrorist attack against the United States or U.S. interests in Yemen.