Russia-Ukraine updates: 2 US veterans who joined Ukrainian forces missing
The Americans, Andy Tai Ngoc Huynh and Alexander Drueke, are both from Alabama.
Russian President Vladimir Putin's "special military operation" into neighboring Ukraine began on Feb. 24, with Russian forces invading from Belarus, to the north, and Russia, to the east. Ukrainian troops have offered "stiff resistance," according to U.S. officials.
The Russian military has since launched a full-scale ground offensive in eastern Ukraine's disputed Donbas region, capturing the strategic port city of Mariupol and securing a coastal corridor to the Moscow-annexed Crimean Peninsula.
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Latest headlines:
Russians, Ukrainians fight street by street in key eastern city
Russian and Ukrainian forces are believed to be fighting street by street on the outskirts of Severodonetsk, a key city in Ukraine's east, the U.K. Ministry of Defense said Tuesday in an intelligence update.
"Russia's capture of Lyman supports its operational main effort, which likely remains the encirclement of Sieverodonetsk and the closure of the pocket around Ukrainian forces in Luhansk Oblast," the ministry said. "Heavy shelling continues, while street fighting is likely taking place on the outskirts of Sieverodonetsk town."
After several days of fighting, the Russian military claimed Saturday to have fully seized the strategic town of Lyman, which serves as a railway hub in the Donetsk Oblast, west of Severodonetsk.
"Russia's political goal is likely to occupy the full territory of Donetsk and Luhansk Oblasts," the ministry added. "To achieve this, Russia will need to secure further challenging operational objectives beyond Sieverodonetsk, including the key city of Kramatorsk and the M04 Dnipro-Donetsk main road."
EU leaders agree to partially ban Russian oil exports
The European Union has agreed to partially ban Russian oil exports to the EU, leaders announced on Monday.
The new ban "immediately" covers more than two-thirds of oil imports from Russia, "cutting a huge source of financing for its war machine," Charles Michel, president of the European Council, tweeted on Monday.
"We agreed in Versailles to phase out our dependency on Russian gas, oil & coal as soon as possible," European Commission President Ursula von Der Leyen tweeted. "But this requires a plan."
-ABC News' Christine Theodorou
New US ambassador to Ukraine arrives in Kyiv
Bridget Brink, the new U.S. ambassador to Ukraine, has arrived in Kyiv, the U.S. Embassy confirmed.
Brink was nominated by President Joe Biden in April and confirmed by the Senate on May 18.
-ABC News' Christine Theodorou
French journalist killed in Ukraine
A French journalist working for cable channel BFM TV has been killed in the Luhansk region of Ukraine, according to Serhiy Haidai, the head of the Luhansk regional military administration.
French President Emmanuel Macron identified the journalist as Frédéric Leclerc-Imhoff.
"On board a humanitarian bus, alongside civilians forced to flee to escape Russian bombs, he was fatally shot," Macron tweeted. "I share the pain of the family, relatives and colleagues of Frédéric Leclerc-Imhoff, to whom I send my condolences. To those who carry out the difficult mission of informing in theaters of operations, I would like to reiterate France's unconditional support."
-ABC News' Ibtissem Guenfoud and Anna Rabemanantsoa