51.   In a leaflet issued by its military wing, Izzedine al-Qassam, Hamas threatened retaliation.

52.   Israel has threatened harsh retaliation against Lebanon if guerrillas attack northern Israel.

53.   Israel was threatening retaliation for Palestinian gunfire attacks, foreshadowing another round of deadly Mideast violence after several days of efforts to calm the region.

54.   Israel has threatened harsh retaliation for rocket attacks on its northern territory.

55.   Israeli leaders threatened retaliation for the bombing.

56.   Israeli leaders have threatened harsh retaliation against Lebanon if guerrillas stage attacks on northern Israeli towns after a pullout.

57.   It has threatened retaliation.

58.   Israel has threatened harsh retaliation.

59.   Israel quickly threatened retaliation.

60.   It threatens retaliations for the deaths.