31.   After clashes between police and students that raged all night, the mayhem intensified as troops fought thousands of students and others in the heart of the business district.

32.   Aides to Mayor Rudolph Giuliani said the main reasons were to improve safety, ease congestion and to keep business districts running smoothly.

33.   After years of financial problems, the Docklands has recently lured some would-be prime tenants from the City and established itself as a rival business district.

34.   Alan Lee, hunched over a screen near a subway-station entrance in the central business district, looked stunned.

35.   All trips begin from the Metro Center mass transit rail station, located between the White House and the Capitol in the heart of the downtown business district.

36.   Business districts even caught on in towns that were already clean and safe.

37.   But business districts got a lot of the credit.

38.   But the downtown business district and the state Capitol area have a Midwestern openness and greenness in springtime.

39.   But there is no curfew, airports are open and rush-hour traffic jams the business district.

40.   Caltex Petroleum Corp. is considering moving its Singapore office out of the central business district next year in a bid to further cut costs.