Kyiv, May 24 (AP) A nighttime Russian attack destroyed train tracks and rolling stock in Ukraine's northeastern Kharkiv region, officials said Friday, and authorities organised the evacuation of children from the area that is being pummelled by the Kremlin's forces in a powerful new offensive.

The overnight strike also damaged buildings and freight cars, according to Ukraine's national railway operator Ukrzaliznytsia. No injuries were reported.

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Authorities have evacuated more than 11,000 people from the Kharkiv region since Russia launched an offensive there on May 10, regional Gov Oleh Syniehubov said. Officials on Friday announced the mandatory evacuation over the next 60 days of 123 orphans and children living without their parents in the area.

Russia's Kharkiv push appears to be a coordinated new offensive that includes testing Ukrainian defences in the Donetsk region further south, while also launching incursions in the northern Sumy and Chernihiv regions.

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Ukraine's problems have been mounting in recent months as it tries to hold out against its much bigger foe, and the war appears to be at a critical juncture.

The new Russian offensive is stretching thin Ukraine's depleted ranks, exhausted by more than two years of war. Destroying the train network puts further pressure on the already overstretched Ukrainian army.

Crucial Western aid for Kyiv, especially air defence systems to stop Russia's targeted destruction of the power grid, isn't arriving quickly enough. Also, most Western donors won't let Ukraine use the sophisticated long-range weapons they are providing to strike targets on Russian soil. That allows Moscow to assemble virtually unimpeded its troops for cross-border assaults, as well as deploy missile launchers to bombard Ukraine.

Ukrainian President Volodymyr Zelenskyy said those limitations made possible an attack on the city of Kharkiv, the region's capital, on Thursday that killed seven civilians and wounded 21 others.

Zelenskyy said on social media that Ukraine has “a shortage of air defence systems that are actually available in the world” and a “lack of long-range capabilities for our warriors and the complete inability to destroy the very source of Russian terror near our borders, including the missile launchers that actually hit Ukraine and the lives of our people”.

Thursday's strike using S-300 missiles hit a printing company, burning about 50,000 books, Zelenskyy said.

Serhii Polituchyi, owner of the Faktor-Druk printing plant, said the attack would reduce Ukraine's book-printing capacity by 30-40%. (AP)

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)