This is the best summary I could come up with:

WASHINGTON (AP) — The U.S. is expected to announce Tuesday it is sending an additional $150 million in critically needed munitions to Ukraine, as Russia accuses Ukraine of using U.S.-provided munitions to strike inside Russia or Russian-held territory, according to two U.S. officials.

On Monday, Russia summoned the American ambassador to protest what it says was the use of U.S.-made advanced missiles in a Ukrainian attack on Crimea on Sunday that reportedly killed four people and wounded more than 150.

However, the Pentagon said last week that Ukraine’s military is also now allowed to use longer-range missiles provided by the U.S. to strike targets inside Russia if it is acting in self-defense.

Since the outset of the war, the U.S. had maintained a policy of not allowing Ukraine to use the weapons it provided to hit targets on Russian soil for fear of further escalating the conflict.

The continued flow of U.S. munitions, which will be drawn from existing stockpiles, is intended to help Ukrainian forces repel intensified Russian attacks.

The upcoming shipment is expected to include munitions for the High Mobility Artillery Rocket Systems, or HIMARS.

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