71.   No one claimed responsibility for the explosion, but suspicion fell on Muslim militants opposed to Western military presence in the kingdom and elsewhere in the Gulf.

72.   No one claimed responsibility for the explosives, but suspicion immediately fell on the rebels.

73.   No one has claimed responsibility, but suspicion fell on Maoist rebels.

74.   No one immediately claimed responsibility for disrupting the Grand National, but suspicion fell on the IRA.

75.   No one immediately claimed responsibility for the blast, but suspicion fell on the dozens of militant groups that operate in Gym-Kashmir state.

76.   No one immediately claimed responsibility for the blast, but suspicion fell on the dozens of militant groups that operate in Jammu-Kashmir state.

77.   No one immediately claimed responsibility for the blast, but suspicion fell on the separatist Tamil Tiger rebels.

78.   Nobody knows where the virus originated, but suspicion fell on farms in southern China.

79.   No arrests were immediately made, but suspicion fell on animal-rights activists.

80.   No arrests were made, but police inspector Aage Noergaard Jensen said suspicion fell on the Hells Angels because the attack was planned.