51.   Acrid smoke drifted over the canals of the lagoon city.

52.   Acrid smoke filled the chamber.

53.   Acrid white smoke spread quickly in the wind, causing pedestrians to sneeze and stores to close shutters.

54.   Access to the scene was completely blocked by police vehicles, and acrid smoke could be smelled in the surrounding area.

55.   Acrid smoke could be smelled in the surrounding area.

56.   Acrid smelling smoke curled up from the debris near where he stood.

57.   Acrid smoke filled many of the corridors.

58.   Acrid smoke spiraling from burning tires brought the motorcade to a stop.

59.   As firemen doused barricades spewing acrid smoke, many shops were closed, and parents kept their schoolchildren home, fearing street violence.

60.   As they were enveloped by clouds of acrid smoke, the protesters waved white handkerchiefs and sang the national anthem before fleeing, according to newspaper reports.