61.   It provided no other details, but said investigations were under way to determine the motive.

62.   Muslim separatist guerrillas operate in both provinces but police investigators said they could not immediately determine the motive for the bombings.

63.   No one has claimed responsibility for the attack and police have not determined the motive, Villarroel said.

64.   No arrests had been made early Saturday, and investigators had not determined a motive for the shootings.

65.   None of the shooting victims were leaders of the anti-mob movement, and police stress they have yet to determine a motive or charge anyone with the shootings.

66.   Police had yet to firmly determine a motive.

67.   Police have not determined a motive for the shooting, spokeswoman Venetia Harvey said.

68.   Police had identified no suspects and determined no motive in the shooting deaths of two adults and two girls in a house in a quiet San Francisco neighborhood.

69.   Police have not determined a motive and do not have any suspects.

70.   Police have not determined a motive for the crimes, the newspaper said.