21.   At least three Peruvian helicopters have been shot down since the conflict began.

22.   Ecuadoran forces shot down a Peruvian helicopter Sunday, the fourth day of clashes in the border dispute between the two countries, a government spokesman said.

23.   Ecuadoran government spokesman Enrique Proano said in a statement that Ecuadoran forces shot down a Peruvian helicopter that attacked the Tentiente Ortiz military outpost in the Cenepa river valley.

24.   Ecuadoran forces shot down a Peruvian helicopter Sunday, the fourth day of clashes in the border dispute between the two countries, administration officials said.

25.   Ecuador has claimed that it downed a second Peruvian helicopter, killing the crew of two.

26.   The raid cited by Grijalba, commander of the closest major post to the border zone, would have been at least the second by Peruvian helicopters.