Investigation launched into cause of “implosion”

The mystery surrounding the implosion of the Titanic bound submersible is deepening as one man speaks out to tell his story about why he didn't go on the expedition. Plus, inside the implosion, we’ll tell you what the catastrophe might have looked like underwater. Also, tanks are on the streets of Moscow tonight as Russia breaks the news on state television. The head of Russia’s private army is being accused of attempting a coup.  

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