Structure Integrity News Today

implosion of the titanic bound sub deepening as one man speaks out to tell his story. plus, inside the implosion, well tell you what the catastrophe might have looked like under water. im here with a friend of those on board to talk about the warning signs he heard himself. and tanks on the streets of moscow tonight. russia breaking into state television with an urgent message. now the head of russias private army accused of attempting a coup. lets go out front. good evening. out...

Everywhere we looked. the most haunting thing about it is when you look at the news and i open my laptop on social media and self-it was everywhere and they -- television and it was everywhere and they show the pictures of the people who lost their lives and all i could see when i saw that father and son with was myself and my son. that could have been us if in that picture. >> and, shawn, i mean, obviously the other young man there was 19. youre 20. right. i mean, it is eerie, the parallels. wh...

Hole -- sink hole where the pool used to be and then the line went silent. we have live with the latest. nick, youve been talking to families all weekend and the stories are tragic. >> reporter: they are. it was back to abigail who sent us that social media video that clip you played. she was too emotional to talk about what she saw in that briefing but it gives you an insight into just how painful this is for the family members to not have any information now as we enter day five. and the big q...

With her and take care of her. she was my mother here. she took care of us. she was the most -- she painted and drew and she was a member of the feed of hungry. she was the matriarch that many families should have. it will only take a miracle for somebody to survive that but, you know, i still believe in miracles. >> reporter: and that is a lot of what people are clinging to. not just the families but first responders. teams from mexico and israel have arrived here to help that search and rescue...

In buildings along the coast anywhere in the country. just in your expertise, whether this building or more broadly, what impact does being on the ocean like this, in the salty sea air, have on the structure integrity of a building? >> yes. i go bag to the spawling because its so prevalent on the coastline building. you have concrete, which is porous, if you get a microscope and you see a bong of holes it almost looks like a sponge. so chlorides in the air that come from salt water and different...