acceptable levels. mean while local media broadcasts reveal large numbers of dead fish walking up on the banks of a river that flows through the city. the blast killed 114, injured more than 700. and damaged 17,000 homes. an american living in tianjin recorded this video from his apartment building capturing the terrifying scene. nbc news was with dwoes a dan r when he returned home to assess the damage. it blew out this door. and it s a they have sli door. that s just crazy. it pushed us back a foot. i felt the whole building move