51.   This seems sure to intensify calls to tighten regulations on reproductive technologies.

52.   This year, the government has twice tightened regulations on public housing.

53.   Those controls include licensing and registering of handguns, requiring every gun owner to receive safety training and tightening regulations on gun dealers.

54.   Tobacco lobbyists are opposing efforts by some in Congress to tighten regulations on the industry.

55.   U.S. Sen. Kit Bond has called for a top-level review of the Robert R. Courtney drug dilution case, with an eye toward tightening federal regulation of pharmacists.

56.   With its new environmental program, the government has tightened its regulation of foreign oil firms.

57.   Pakistan tightened travel regulations to its semiautonomous tribal region that borders Afghanistan in the wake of the U.S. strike on the alleged terrorist base there.

58.   Patten praised the firefighters for their bravery and said regulations would be tightened to prevent similar disaster.

59.   Patten praised the firefighters for their bravery and said regulations would be tightened to prevent similar disasters.

60.   Authorities tightened traffic regulations and imposed higher penalties including jail terms for violators as well as stringent licensing.