51.   The United States says Cuba violated international law by downing the planes in international airspace.

52.   The United States says the planes were downed in international airspace.

53.   They said one Serb plane was downed.

54.   There was no immediate comment from the guerrillas, who have used missiles to down several planes in the last two years.

55.   There were also no signs that a terrorist attack or an errant missile downed the plane.

56.   They claimed one Serb plane was downed.

57.   U.S. investigators said they believe the Egyptian co-pilot downed the plane in a deliberate suicide-murder, saying there was no evidence of mechanical failure.

58.   We are also chasing news that the U.S. pilot whose plane was downed on Friday over Bosnia may be alive.

59.   Witnesses said his plane was downed by anti-aircraft fire.

60.   In Brussels, however, a NATO military spokesman denied that an alliance plane had been downed.