This image made from video provided by Russian Emergency Ministry shows the site of an explosion in an apartment building in Volgograd, Russia, Wednesday, May 17, 2017. The Russian emergency situations ministry said that an entire stairwell in the building in Volgograd collapsed in Tuesday's natural gas blast.
This image made from video provided by Russian Emergency Ministry shows the site of an explosion in an apartment building in Volgograd, Russia, Wednesday, May 17, 2017. The Russian emergency situations ministry said that an entire stairwell in the building in Volgograd collapsed in Tuesday's natural gas blast.