Tax Day March Tens of thousands of people march in dozens of U.S. cities and at President Donald Trump's Mar-a-Lago resort in Palm Beach, Florida, to demand that Trump release his tax returns and to show the public cares about the issue. There were clashes between Trump supporters and protesters at some locations, with 11 people injured and 21 arrested at a riot in Berkeley, California.
Mike Pence United States Vice President Mike Pence visits Alaska, where he meets with Governor Bill Walker and discusses stationing F-35 squadrons in the state. Pence is beginning a 10-day trip to South Korea, Australia, Indonesia and Japan.
Re-elected Tehran Mayor Mohammad-Bagher Ghalibaf and First Vice President Eshaq Jahangiri submit their candidacies as registration closes. The final list of approved candidates will be announced on April 27.
Legal affairs of Donald Trump U.S. President Donald Trump's lawyers tell a federal court, in a case alleging negligence and incitement to riot during a 2016 campaign rally in Louisville, Kentucky, that he is "immune from suit because he is President of the United States." A lawyer for the plaintiffs responds that, in "Clinton v. Jones", the Supreme Court found the president could be sued for events that occurred before he took office.
2017 Northwest Iran floods Flash flooding caused by torrential rain leaves at least 17 people dead and 20 others missing in northwestern Iran, according to state television.
Istanbul The Chief Public Prosecutor’s Office in Istanbul launches an investigation into 17 United States citizens in connection with the 2016 Turkish "coup d'état" attempt.
2017 Nangarhar airstrike The death toll according to a Nangarhar official source now stands at 94 militants, including 4 commanders. Former president Hamid Karzai says the strike was in violation of national sovereignty.
South Sudanese Civil War At least 16 people are killed amid fresh fighting in Raga, according to a SPLM-IO spokesperson. The United Nations Office for the Coordination of Humanitarian Affairs said that over 60 humanitarian aid workers were forced to flee.
Syrian civil war A car bomb strikes a convoy of buses near Aleppo which were carrying evacuees from the pro-government towns of Al-Fu'ah and Kafriya. Over 100 people are killed.