51.   An anonymous caller made the winning bid by telephone.

52.   An anonymous caller phoned the FBI in Portland, Ore., to alert agents that Nicholas Paul Hills was headed to a downtown Greyhound station.

53.   An anonymous caller said the blast was intended to pressure authorities to release political prisoners, believed to number in the hundreds.

54.   An anonymous caller tells Israel radio that the attacker belonged to the Islamic militant Hamas group that opposes the peace accord with Israel.

55.   An anonymous caller to an Athens newspaper gave advance warning to the Piraeus blast.

56.   An anonymous caller to an Athens newspaper said the bomb had been planted by a previously unknown group called Urban Guerrilla Anarchists.

57.   An anonymous caller to an Athens newspaper said the bomb had been planted by a previously unknown group calling itself Urban Guerrilla Anarchists.

58.   An anonymous caller to Israeli radio threatened revenge attacks next week.

59.   An anonymous caller to The Associated Press claimed the killings were the work of the PFLP, but the claim has not been verified.

60.   An anonymous caller to the official CTK news agency said the vandalism was in protest of the execution.