Russia: We have started

The agency states, citing a well-informed source, that Russian troops have begun using the latest Armata tanks to open fire on Ukrainian positions, but that these tanks have not yet participated in direct offensive operations.
The same source said that the T-14 Armata tanks received additional side protection against anti-tank ammunition.

Germany greenlights Leopard tank deliveries to Ukraine: govt

Germany on Wednesday approved the delivery of Leopard 2 tanks to Ukraine, after weeks of pressure from Kiev and many allies.

Berlin will provide a company of 14 Leopard 2 A6 tanks from the Bundeswehr stocks and is also granting approval for other European countries to send tanks from their own stocks to Ukraine, government spokesman Steffen Hebestreit said in a statement.

Today is the day, Joseph Biden will announce…

This was reported by Al Jazeera, citing an unnamed US official.
According to the source of that TV station, the tanks will be delivered based on the contract, that is, they will not be sent from the Pentagon's arsenals.
According to Politico citing sources in the US administration, the US could send at least 30 "M1 Abrams" tanks to Ukraine as military aid.

America is furious

Namely, as reported by CNN, the head of the Pentagon, Lloyd Austin, did not receive from the new German Minister of Defense, Boris Pistorius, the consent for the delivery of German tanks to Ukraine, and according to their sources, on the eve of today's meeting of the contact group for support of Ukraine at the American base Ramstein in Germany, the issue of the delivery of tanks is still unreso