Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Latest Developments in Ukraine: March 21 by VOA News For full coverage of the crisis in Ukraine, visit [1]Flashpoint Ukraine. For the latest developments of the conflict between Russia and Ukraine, all times EST: 1:25 a.m.: Russia continues its attack on Ukrainian cities as its invasion is in its fourth week. The U.N. says 10 million people are now displaced both in and out of Ukraine. U.S. President Joe Biden travels to Europe this coming week to meet with allies to discuss the crisis. VOA's Arash Arabasadi has more. 12:10 a.m.: Officials are reporting an ammonia leak at a chemical plant in the northeastern Ukrainian city of Sumy. The BBC reported that the regional governor said people within five kilometers of the Sumykhimprom plant should evacuate. The leak was first reported at 4:30 a.m. local time. No cause was listed. References 1. https://www.voanews.com/z/6932