21.   Terrorists could try to make the biological attack even more dangerous by taking down critical communications systems, according to experts from the Centers for Disease Control and Prevention.

22.   The environmental agency, the health ministry and three other departments late last year barred farmers from treating vegetables with pesticides deemed dangerous by the World Health Organization.

23.   The newspaper Liberte reported that six Islamic militants considered dangerous by authorities were killed in east Algeria in an army sweep.

24.   The result could be bacteria that survive all drugs, making routine surgery dangerous by threatening incurable infections.

25.   They go home at night to pitch-black streets made dangerous by gunfire from criminal gangs.

26.   This absence of direction is seen as dangerous by some.

27.   But she decided not to go back inside the camp, where the empty streets are made extremely dangerous by Israeli tanks firing at any moving target.

28.   The three who escaped are considered dangerous by police.

29.   The situation has been rendered more dangerous by latent ethnic and religious rivalries which any Bedie-Ouattara friction could spark back into life.