New York (CNN) — Firefighters exposed to toxic dust and fumes clogging the air after the World Trade Center towers collapsed 10 years ago are more likely to develop cancer, according to a new study.

The current theory is that when fire from Allied air raids in 1944 consumed 50 konigstrasse, the contents of Oewerdieck's office fell through the floor, and then the building collapsed on top.

The stage at an open-air country music festival in Canada has collapsed in sudden, high winds, killing one person and injuring 15 others.