For full coverage of the crisis in Ukraine, visit Flashpoint Ukraine.

The latest developments of the conflict between Russia and Ukraine, all times EST:

3:08 a.m.: Ukraine’s minister of foreign affairs invites foreigners to help defend Ukraine.

 

2:11 a.m.: The Associated Press reports that Russian troops have entered Kharkiv, the second-largest city in Ukraine, and there’s fighting in the streets.

1:44 a.m.: Protesters rallying in support of Ukraine pray in Australia.

1:12 a.m.: A show of support outside the Ukrainian Embassy in Washington.

12:41 a.m.: Oil tanks burn after a massive explosion near Kyiv. CNN has video.

12:05 a.m.: A BBC reporter talks to women making Molotov cocktails in a park in Ukraine.

12:01 a.m.: Protests continue in Australia.

Some information in this report came from The Associated Press, Reuters and Agence France-Presse.