Big Cement Blocks News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Big cement blocks, and we'll have the sand trucks out. >> reporter: these trucks are also filled with 15 tons of sand. the point is, they're meant to be unmovable to protect this crowd. in terms of security, we're talking about 7,000 police officers, plain clothes as well, counterterrorism units, the crc teams, the critical response command units that were created in the wake of the paris attacks. they are on the ready 24 hours a day to respond to any situation. police dogs, boats, helicopters, you name it, that's all here to protect the 2 million-plus people that will be watching the paul dro...

Different angles. >> when i looked at it walking by there, it looks like a layered defense. military terms, layered defense. barriers for vehicles, initial scans for the people. inside they have plain clothes officers. they're doing everything they can to make that safe. >> some of those barriers, you have the big cement blocks. the nypd brings in blocks. no vans driving into that area. >> more on that throughout the morning. right now we'll get to the news head lines. we'll start with this. fox news alert. the mother of the affluenza teenager is back in the united states while her son remai...