51.   Earlier this year, U.N. negotiators tried unsuccessfully to nail down a third protocol to battle manufacturers and dealers of illegal arms.

52.   Erekat said Israeli negotiators had tried to raise issues that negate the American proposal, but those were rejected by the Palestinians.

53.   Finally, negotiators will be trying to reopen roads to central Afghanistan, where the United Nations fears thousands of people are in danger of starvation.

54.   Federal negotiators have been trying ever since to set parameters acceptable to First Nations, non-native fishermen and others with interests in the fishery.

55.   For hours, as security forces prepared to storm the bus, negotiators tried to persuade the hijacker to free the passengers.

56.   Government negotiators initially tried to intimidate the rebels by having soldiers encircle their hinterland camp on Jolo.

57.   He said negotiators were trying to contact the rebels on a two-way radio.

58.   He said negotiators were trying to raise the rebels on a two-way radio.

59.   In all night meetings that went into the early hours Monday, negotiators tried to work out remaining differences.

60.   In all-night meetings that went into the early hours Monday, negotiators tried to work out remaining differences.