The Transportation Safety Board of Canada announced Friday it is launching an investigation into what caused the Titan submersible to implode near the wreckage of the Titanic last week, killing all five people aboard. Source

Yevgeny Prigozhin, the powerful mercenary leader, was a longtime ally of Russian President Vladimir Putin, earning the moniker “Putin’s chef.” He rose from criminal convict in the 1980s, to well-connected Kremlin caterer in the 2000s. That all changed this week when he turned his forces against the Kremlin, marching on Moscow before a peace deal was brokered. Ramy Inocencio has more. Source

Several of the cars which collapsed into the river contained hot asphalt and molten sulfur, officials said. Source

President Biden and congressional leaders are keeping close tabs on the ongoing situation in Russia after Wagner Group chief Yevgeny Prigozhin and his mercenary forces began to march on Moscow, before a truce was negotiated Saturday. Christina Ruffini reports from Washington. Source

Here’s a look at the top stories making headlines on the “CBS Weekend News” with Adriana Diaz. Source

Adams shoved photographer Ryan Zebley to the ground in an “intentional, overt act” that inflicted “bodily injury,” while walking off the field, according to court documents filed last year. Source

Tensions mount in Russia as notorious Wagner group seizes military headquarters; Fine dining meets beachside bungalow at Heirloom at the St. Laurent. Source

Wagner forces had been moving north toward Moscow, a U.S. official confirmed to CBS News on Saturday. Source

Republican officials in Tennessee and Kansas have recently received similar letters. Source

Musk says the Super Heavy/Starship rocket may be ready for a second attempt to reach orbit in about six weeks. Source