These videos are uploaded by Russia Insight on YT in oriignal Russian Audio with English CC Subs.

Putin gives a general overview of the immediate situation:

https://www.youtube.com/watch?v=5Y_qHzl_vOg

Address to the Citizens of the Russian Federation

Beginning: Putin gives a history lesson on the formation of Soviet Ukraine. (Caption: "Communists Created Modern Ukraine and Pushed Russian Donbass Into New Soviet Republic!")

https://www.youtube.com/watch?v=ytREHu-kYLc

End: Putin announces the recognition of the Donetsk Republic and the Lugansk Republic

https://www.youtube.com/watch?v=HSrr6cx5f1U

President Putin signs the documents for the recognition of the Donetsk And Lugansk Republics

https://www.9xyoutube.com/watch?v=JGkI_-S_aL0

Full address to the Citizens of the Russian Federation (55 Minutes 55 Seconds)

[Россия 24] Обращение Президента Российской Федерации от 21.02.22 (Russian Audio, no subtitles)

https://www.youtube.com/watch?v=uvcCB5dZPZI

[Ruptly] Full statement with English voice-over translator

https://www.youtube.com/watch?v=XTHUok0iQ-M

Synchronised:

RU (+0:50): https://youtu.be/uvcCB5dZPZI?t=50

ENG (0:00): https://youtu.be/XTHUok0iQ-M?t=0

[The Saker] Russia recognition of the LDNR – a few initial thoughts

Note: The Saker is an American-Russian independent geopolitical analyst who writes excellent and comprehensive analyses of the geopolitical situation around Russia and sometimes on the Orthodox Church. Unfortunately he does not think very well of Trump and thinks Q is nonsensical, but he is nevertheless unaffacted by mainstream views.

https://thesaker.is/russia-recognition-of-the-ldnr-a-few-initial-thoughts/