The US will be giving Ukraine weapons that some people disagree with. This is part of more than $1bn in help, including military and humanitarian aid.
Russia criticized the decision to give American Abrams tanks ammunition that can penetrate regular tank armor.
They are made of a stuff called depleted uranium, which is left over after removing most of the harmful stuff from uranium.
During the night, it was reported that drones from Ukraine were believed to have attacked the Russian cities of Rostov-on-Don and near Moscow.
A video that has not been proven to be true showed what seemed to be an explosion in the middle of Rostov. The Governor, Vasily Golubev, said that one person was slightly hurt and a few cars were harmed.
The mayor of Moscow, Sergei Sobyanin, has said that a drone aimed at the town of Ramenskoye was destroyed, and there was no harm or damage caused.
The announcement of a new security plan for Ukraine was made when Antony Blinken, a senior American diplomat, visited Kyiv. This made Russia very angry.
The US is giving Ukraine $175 million worth of military equipment, including special bullets for M1 Abrams tanks. These bullets are made of uranium and will be given to Ukraine when they receive the tanks later this year.
The rounds are made from a type of waste called depleted uranium. Depleted uranium is left over after making nuclear fuel or weapons from naturally occurring uranium. The International Atomic Energy Agency says that it cannot cause a nuclear reaction and is much less radioactive than natural uranium.
Depleted uranium is a very dense material that can be used to make tanks stronger. It is also commonly used for making weapons because it is very heavy and can penetrate regular tank armor.
These shells get sharper when they hit, which helps them pierce through armor better, and they catch fire when they touch something.
Russia got very upset when the UK said they were sending depleted uranium shells to Ukraine for their tanks.
When President Vladimir Putin said the weapons had a “nuclear component”, the UK Ministry of Defence said they had been using depleted uranium in their armor-piercing shells for a long time. They also accused Moscow of purposefully spreading false information.
The UN group studying the effects of radiation says that exposure to depleted uranium doesn’t cause major poisoning. However, another UN agency warns that people who handle pieces of depleted uranium ammunition might face a risk of radiation.
The US changed its decision from March when the Pentagon said it would not send any depleted uranium weapons to Ukraine.
A US government official told the Politico news website that the US has decided to send weapons to Ukraine specifically for arming their Abrams tanks because they believe it is the most effective way to do so.
John Kirby, a spokesperson for the National Security Council, said that they are a very common type of weapon.
The US will also give anti-tank weapons, navigation systems for aircraft, and more ammunition for Himars missiles.
Mr Blinken said that this new assistance will provide support and help make it even better and more successful.
The Russian embassy in Washington criticized the decision, calling it a sign of cruelty. They also said that the US was fooling itself by not acknowledging the failure of the Ukrainian military’s counter-attack.
Since June, Ukraine has not made significant progress in regaining its territories in the counter-offensive. However, Ukrainian military leaders say they have managed to break through Russia’s strong first line of defense in the southern region.
Last Wednesday, a group of 16 people, which also included a child, were killed in an attack on the city of Kostyantynivka in the eastern Donetsk region of Ukraine.
Ukraine’s President, Volodymyr Zelensky, accused Moscow of the attack, but Russia has not responded yet.