21.   But in an apparent attempt to play down the rally, state-controlled Serbian television prevented TV agencies from transmitting footage to world TV networks.

22.   Croatian officials had prevented relief agencies from trying to drain off torrential rainwater and were refusing to allow refugees gather supplies of wood for heating and cooking.

23.   Greece has laws to prevent government agencies from keeping electronic files on private citizens.

24.   Heavy fighting in the so-called Bihac pocket and intransigence by besieging forces have prevented the agency from sending regular convoys to civilians now totally dependent on outside aid.

25.   Israeli troops were conducting searches in the towns and were preventing international agencies from sending officials to observe the operation, Palestinian security officials said.

26.   Intense fighting over the past few weeks has prevented relief agencies from supplying the government-held city with much-needed food and medicine.

27.   It prevents the agency from enforcing an importation ban on drugs, so long as they are for personal use.

28.   Kim says he will prevent the agency from meddling in domestic politics.

29.   Privacy laws prevented the agency from disclosing his whereabouts.

30.   The fighting has prevented aid agencies from distributing food to thousands of civilians facing hunger.