As many Ukrainians remain trapped in Mariupol, Ukraine, Russian President Vladimir Putin is now claiming his forces control the now-decimated port city. We look at the struggle of those who remain stranded there and why the West is saying "not so fast," as it sends more weapons to counter Russia's aggression. In the Vatican, Pope Francis is once again asking forgiveness over Canada's residential schools in a meeting with Red River Métis delegates — what they are asking from the pontiff, to help heal the bonds with their faith. And in the United Kingdom, Queen Elizabeth is celebrating her 96th birthday as she also marks a historic 70-year reign on the throne — how Canadian artist Owen Grant Innes has also made a very vibrant and personal tribute to the monarch. And snacking for science: the hard-hitting MIT research effort to answer one of the biggest mysteries of Oreo cookies.