Here are the full stories on the biggest news that happened this week:This Week in 60 Seconds: April 24, 20191. Jewish comedian Zelenskiy wins Ukrainian presidential race by landslide2. ISIS claims responsibility for Sri Lanka bombings3. Trump administration ends sanction waivers on Iran's oil industry4. Former U.S. Vice Pres. Joe Biden announces third run for the White House5. Netanyahu: I will name a Golan town after Trump