11.   Witnesses said the first planes roared over the capital, Kabul, shortly after nightfall as a curfew took effect.

12.   Planes roared over Belgrade late Wednesday and early Thursday and the rattle of heavy anti-aircraft fire resounded in the capital soon after air raid sirens sounded.

13.   Planes roared over Belgrade late Wednesday and early Thursday, and the rattle of heavy anti-aircraft fire resounded in the capital soon after air raid sirens sounded.

14.   A plane roared overhead as he spoke.

15.   As he spoke, a Russian plane roared unseen overhead and delivered a bomb strike through thick clouds on the center of Alkhan-Yurt, two miles away.

16.   At the end of the ceremony, Japanese fighter planes roared over the stadium, leaving a trail of rainbow-colored smoke in the afternoon sky.

17.   Children and adults gaped at the skies as the planes roared throughout the day and night, raising huge clouds of smoke as they unleashed their bombs and missiles.

18.   Half a planes in formation roared over center court several times during the semifinal match between Monica Seles and Martina Hingis.

19.   However, U.S. planes had roared in the skies over the front lines north of the capital throughout the morning and early afternoon Tuesday.

20.   However, U.S. planes roared in the skies over the front lines north of the capital throughout the morning and early afternoon Tuesday.