This is mentioned on the embassy's website.
In the meantime, its employees will receive instructions regarding potential shelter on-site. The embassy advises U.S. citizens to be prepared to find shelter immediately in the event of an air raid alert.
They also encourage their citizens to stay updated with news from Ukrainian media, find shelter in advance, and follow the instructions of Ukrainian authorities in case of an emergency.
Updated at 10:54. The Spanish embassy in Ukraine has also sent an email to Spanish citizens, recommending that they "take emergency security measures, follow all advice from local authorities, and always have a shelter," reports the EFE agency.
There will also be no services provided during the day due to the increased risk of air attacks across Ukraine.
Updated at 8:55. The head of the Center for Counteracting Disinformation at the National Security and Defense Council, Andrey Kovalенко, noted amid reports from the U.S. embassy that Russians had been accumulating missiles for a series of strikes on Ukraine "for months"—referring to X-101 missiles, "Calibers," and ballistic missiles.
"For the strikes, Russia has aviation and missile stocks at strategic aviation airfields, as well as storage facilities. Ships are also involved," Kovalенко says and advises to always "keep this in mind" and respond to air raid alerts.
On the night of November 17 and the morning of that day, Russians attacked Ukraine with all available types of weaponry, including ballistic, cruise, and aviation missiles. Under enemy fire, the DTEK thermal power plants suffered significant damage to their energy equipment.
Explosions were heard in several cities across Ukraine, including Kyiv, Odesa, Zaporizhzhia, Mykolaiv, Dnipro, Vinnytsia, and Rivne. As a result of the attack on Mykolaiv, two people were killed. There were also casualties from Russian shelling in Odesa and Lviv region. In Odesa region, two Ukrenergo workers were killed.
In total, the enemy launched 120 missiles and 90 drones at Ukraine. The air defense neutralized 144 aerial targets.