21.  Reasons for the surge in attacks remain unclear, but most have been blamed on the United Liberation Movement faction.

22.  The Treasury Department issued a rare statement Thursday night blaming most of the loss on external factors.

23.  There have been a number of attacks on mosques during the past year in Pakistan and most have been blamed on feuds between Sunni Muslim and Shiite Muslim factions.

24.  There have been numerous shootings at mosques in recent months, most blamed on militant Sunni and Shiite groups.

25.  There have been numerous shootings at mosques in recent months, most of them blamed on militant Sunni and Shiite groups.

26.  Tuchman blamed most of the falloff in business to uncertainties in the economy that are forcing clients to hold off on new expenses and to postpone contracts.

27.  But accidents are frequent, and most are blamed on overloading, or unskilled skippers.