More than six months after Russian President Vladimir Putin launched an invasion into neighboring Ukraine, the two countries are engaged in a struggle for control of areas throughout eastern and southern Ukraine.
Ukrainian President Volodymyr Zelenskyy, whose forces began an offensive in August, has vowed to take back all Russian-occupied territory. But Putin in September announced a mobilization of reservists, which is expected to call up as many as 300,000 additional troops.
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Satellite images show damage to bridge near Kherson
New satellite images from Maxar, a Colorado space technology company, show massive damage to Kherson's Antonovskiy Bridge and other structures after the Russian withdrawal across the Dnipro River.
The bridge is the main way to cross over the Dnipro River near the city of Kherson.
Photos show several sections of the key bridge have been completely destroyed.
-ABC News' Stephen Wood
Russians leave Kherson Oblast, not just the city
Russian forces have retreated not just from the city of Kherson, but the rest of Kherson province that surrounds the city and lies north of the Dnipro River.
The Russian Ministry of Defense said that its 30,000 troops have now crossed to the other bank of the river, a figure that is in line with how many forces U.S. officials had estimated were in Kherson.
Russians claimed they are continuing to shell areas around Kherson that they’ve just left, which could be a concern for Ukrainian troops who will be in the range of Russian artillery fire while in the city.
Russia also claimed that fire damage is being inflicted on the accumulations of manpower and military equipment of the Ukrainian armed forces on the right bank of the Dnipro River.
-ABC News' Luis Martinez
Russia says withdrawal from Kherson complete
Russian forces have completed their retreat from the Ukrainian city of Kherson, the Russian Ministry of Defense said, saying the last of its troops crossed over to the other side of the Dnipro river.
In a statement carried by Russia's state news agencies, the ministry said the withdrawal was completed at 5 a.m. Moscow time on Friday.
-ABC News' Patrick Reevell
Pentagon announces $400M in aid to Ukraine
The Pentagon announced a new $400 million defense package for Ukraine on Thursday.
The new aid will include four short-range Avenger air defense systems, which is a first for the packages approved for the war in Ukraine. It will also include more missiles for HAWK air defense systems, more anti-aircraft Stinger missiles, HIMARS ammunition, precision-guided artillery rounds and Humvees.
The Ukrainians will need some training on the Avengers, according to Deputy Pentagon press secretary Sabrina Singh, who did not give an estimate on when the systems might arrive and be ready to use.
With this latest drawdown, the U.S. has now committed more than $18.6 billion for the war since Russia invaded Ukraine on Feb. 24.
-ABC News' Matt Seyler