11.  A mysterious group demanded Monday that a former Colombian president resign as head of the Organization of American States if he wants his kidnapped brother released.

12.  As a whole, the detainees are a mysterious group.

13.  At crucial moments in the presidential campaign, George W. Bush has benefited from millions of dollars in advertising paid for by mysterious groups and secret donors.

14.  Investigators use chemical traces Tuesday to seek possible links between the nerve gas attack on the Tokyo subway and a mysterious religious group.

15.  It is a mysterious group.

16.  In written statements, the mysterious group has demanded the creation of separate federal states for tribal groups, Muslims and Christians in the Philippines.

17.  A mysterious Anglophone extremist group has made death threats against Quebec separatist leader Lucien Bouchard in a letter addressed to the Montreal daily Le Devoir.

18.  A mysterious Anglophone extremist group has twice made death threats against Bouchard in letters addressed to the Montreal daily Le Devoir over the past two weeks.

19.  According to other diplomats, the internal inquiry will also look into the activities of mysterious groups of armed and hooded men who roam Dili to terrorize separatist sympathizers.

20.  Police in Quebec earlier reopened a probe into the Order and its alleged links with a mysterious terrorist group following the deaths in similar circumstances in Morin Heights.