Dense smoke laden with toxic dust from rubbish burnt at the dump billows for miles around.

BBC: Albania's environmental wasteland

"Firefighters in breathing apparatus had to combat quite dense smoke and they found the young lady on the first floor of the house, apparently unconscious, " he said.

BBC: House was on fire

Eyewitnesses said the airport is now covered in dense black smoke following the explosions and emergency services are struggling to cope with the enormous numbers of casualties.

BBC: 27 March

Firefighters reported two small flames and dense clouds of white smoke streaming from the battery.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries

Firefighters who responded to the incident reported dense clouds of white smoke and two small flames on the outside of the box that contained the battery cells.

NPR: FAA Approves Resumption Of Boeing 787 Flights

Weather forecasts called for dense fog Wednesday morning, and McGlamery said motorists reported smoke across the highway.

NPR: Authorities: 4 Dead In Fiery Highway Crash In Ga.