"Wednesday's Top Stories: Heat Records, American Detained, Election Probe, Opioid Dementia Study & More"

Former President Donald Trump has revealed that he is a target in a federal investigation into efforts to overturn the 2020 election, potentially facing more charges; Phoenix experiences a record-breaking 19th consecutive day of temperatures over 110 degrees, with no end in sight; a US soldier is detained after intentionally crossing into North Korea, the first American to be held by the country in nearly five years; Russia carries out retaliatory attacks in southern and eastern Ukraine following Monday's deadly explosion on the Crimean Bridge; and the Powerball lottery jackpot reaches $1 billion for the third time in its history.