1.   And Peruvian authorities have never located the person in Lima whose return address was on the crate.

2.   As the tense standoff continued into Wednesday night, the guerrillas allowed four diplomats to leave the compound to negotiate on their behalf with the Peruvian authorities.

3.   At that point, Peruvian authorities decided to launch an armed interceptor to investigate.

4.   Even under ideal conditions, Peruvian authorities acknowledge that putting a stop to looting would be a monumental task.

5.   For months Peruvian authorities have asked that Washington make every effort to find Montesinos, arguing that the United States had a moral obligation to pursue him.

6.   He said Unesco had recommended that the Peruvian authorities review their policy for using Machu Picchu for commercial purposes.

7.   If this was the case, then both the Peruvian military authorities and their American overseers need to explain how such an oversight was possible.

8.   On Wednesday night, the guerrillas allowed four diplomats to leave the compound to negotiate on their behalf with the Peruvian authorities.

9.   Peruvian authorities are aware of the criticisms, and will present their latest proposals to a UNESCO committee this summer.

10.   Peruvian authorities said late last year they had thwarted a planned attack on the embassy by the rebels.