21.   It was the latest in an unprecedented wave of killings of women and schoolgirls in recent weeks.

22.   Japan hit with unprecedented wave of suicides.

23.   Mexico City residents have been frightened this year by an unprecedented wave of kidnappings and street violence.

24.   On Monday the airline announced an unprecedented wave of slashed fares in a bid to fill its planes.

25.   Sentiment against the American bases on Okinawa have been running high since three U.S servicemen raped a schoolgirl last September, sparking an unprecedented wave of protests.

26.   The standoff shook Mexico City, already frightened and tense this year because of an unprecedented wave of crime and street violence.

27.   The standoff shook Mexico City, already frightened and tense this year by an unprecedented wave of crime and street violence.

28.   They also warned that an unprecedented wave of communications mega-mergers set off by the law has reduced consumer options.

29.   U.S. Secretary of State Warren Christopher met with President Hafez Assad Saturday amid an unprecedented wave of optimism that Middle East peace may now be within reach.

30.   Fire and smoke caused an estimated five million dollars of damage to businesses in Bahrain when they were hit by an unprecedented bombing wave, an insurer said Monday.