For full coverage of the crisis in Ukraine, visit Flashpoint Ukraine.
The latest developments in the conflict between Russia and Ukraine. All times EDT:
1:00 a.m.: As Ukraine marks three months since the start of the Russian invasion, residents in capital Kyiv have commemorated those who have been lost since the start of the conflict, The Associated Press reported.
A lawn in a square in the capital has been strewn with small Ukrainian flags, put out in tribute to those who have lost their lives since the fighting broke out on February 24. A monument displays the message "Ukrainians killed by (Russian President Vladimir) Putin" with the number 7,463 written below.
Ukrainian President Volodymyr Zelenskyy took part in a ceremony to launch the series which will see five million stamps in total put into circulation.
12:30 a.m.: Analyst APK-Inform, an information and analytical agency, raised its forecasts for Ukraine's 2022/23 grain crop and exports because of a better-than-expected winter harvest on Tuesday, Reuters reported.
Ukraine could harvest 48.3 million tons of grain in 2022, including almost 17.1 million tons of wheat and 25.2 million tons of corn, the consultancy agency said in a statement.
APK-Inform said 2022/23 exports could also rise to 39.4 million tons versus the previous outlook of 33.2 million tons.
12:15 a.m.: About 20 countries are sending new security assistance packages for Ukraine, U.S. Secretary of Defense Lloyd Austin said after concluding the second meeting of the Ukraine Defense Contact Group.
"Many countries are donating critically needed artillery ammunition, coastal defense systems, tanks and other armored vehicles. Others came forward with new commitments for training Ukraine's forces and sustaining its military systems," Austin told reporters at the Pentagon Monday. VOA's Pentagon correspondent Carla Babb has the story.
12:01 a.m.: Through photos, videos, charts, and analysis, The Guardian documents 'Russia's use of illegal weapons' during the invasion of Ukraine.
'The Guardian has visited the small towns and villages north of Kyiv razed to the ground during the Russian occupation and reviewed evidence found there - as well as other materials from Ukrainian prosecutors - of imprecise munitions such as the FAB-250, metal dart shells and cluster bombs whose use led to the deaths of hundreds of civilians.'