Quickly catch up on the day's news: Tuesday, April 18

(CNN)Here's what you might have missed on CNN today:

-- Cleveland murder suspect Steve Stephens killed himself after a short pursuit by police in Erie, Pennsylvania, putting an end to a two-day search for the man who fatally shot a man and posted a video of it on Facebook.
-- Mark Zuckerberg mentioned Stephens' post in his keynote address at Facebook's annual developer conference, saying the platform has work to do to prevent such videos from being uploaded.
-- In an exclusive interview with CNN, Turkey's President Recep Tayyip Erdogan said his plan to assume sweeping new powers does not make him a dictator.
    -- The UK's Prime Minister made a surprise announcement today calling for a special election to shore up support for Brexit in Parliament.
    -- Speaking of elections, all eyes are on the Georgia special vote today that's about much more than the House seat up for grabs.
    -- Melissa Etheridge smokes weed with her kids.
    -- North Carolina is back in as an NCAA championship site.
    -- Lady Gaga spoke with Prince William about PTSD.