A Ukrainian soldier holds a Javelin anti-tank missile in Kyiv province, Ukraine in March
These weapons will be supported by the US using the Presidential Withdrawal Authority (PDA). Under it, the president can authorize the transfer of American goods and services without congressional approval in an emergency.
An official said the US has not yet made a final decision on what weapons will be shipped.
A senior aide in Congress said the soon-to-be-announced weapons will likely include heavy ground artillery systems for Ukraineincluding howitzers.
The White House has yet to respond to these reports.
Last week, the White House announced that the United States had transferred to Ukraine $1.7 billion in security assistance since Russia began its military operation. The parliamentary aide said some MPs had been informed of the new military support. This support package is expected to be announced within the next 24-48 hours.
The US sent Ukraine arms shipments, including Stinger anti-aircraft missiles and Javelin anti-tank missiles, as well as ammunition and armor.
Ukrainian President Volodymyr Zelensky urged Western leaders to provide weapons and heavy equipment to deal with Russia in eastern Ukraine. Russia is expected to increase its military efforts there.
On the same day, April 12, British Prime Minister Boris Johnson and US President Joe Biden spoke by phone to discuss increased military and economic support for Ukraine and the need to end Russia’s dependence on oil and gas.
Earlier, Britain announced the latest military aid package for Ukraine. The package includes 120 armored vehicles, anti-ship missiles, $130 million worth of Starstreak air defense missiles, 800 anti-tank missiles and patrol ammunition.
This support package was announced after British Prime Minister Boris Johnson made a surprise visit to Kyiv on April 9 and met directly with Ukrainian President Volodymyr Zelensky.