11.   Peru said Friday that an Ecuadorean helicopter attacked a Peruvian outpost, and Ecuador claimed its troops repelled a Peruvian offensive.

12.   Air force helicopters also attacked several rebel locations Sunday, causing heavy casualties, said Maj. I.N.K. Dewage, a military spokesman.

13.   After nightfall, Israeli helicopters attacked a police station in the Palestinian town of Tulkarem, near the site of the latest shooting, Palestinians said.

14.   Also, helicopters attacked a police building in the West Bank town of Jenin.

15.   An army statement said the helicopters attacked targets in the Jabel Sefi area, north of the Israeli-occupied border zone in south Lebanon.

16.   An Israeli army spokesman said in Jerusalem that Israeli helicopters attacked suspected guerrillas moving north of the occupation zone.

17.   An Israeli helicopter attacked a Palestinian guerrilla base Thursday near the Lebanese capital, capping a day of fighting in southern Lebanon.

18.   An unmarked helicopter attacked a civilian airport near Chechnya on Monday, firing at and hitting a plane ready to take off for Moscow, a news agency reported.

19.   At one checkpoint a Taliban soldier said helicopter attacked near the airport.

20.   At one checkpoint, a Taliban soldier said a helicopter attacked near the airport.