Explosions echoed in Odessa last night, and the city was attacked by about 20 drones from the Black Sea, it became clear from a publication by the city's mayor Gennady Trukhanov on "Telegram", BTA reported.
The airstrike was declared at 9:59 p.m.
Local authorities report a high level of danger in the city center, the port, as well as in other areas of the Black Sea city.
Residents are urged to immediately seek shelter in bomb shelters until the alarm is lifted.
In Kiev, as well as in Kiev, Chernihiv, Sumy, Kharkiv and Dnipropetrovsk regions of Ukraine, according to data from the online map of the Ukrainian Ministry of Digital Transformation.
According to the source, the alert was declared in the Ukrainian capital at 23:57 Bulgarian time, and in the indicated regions - from 20:15 on Monday to 23:12. on Tuesday.
At least three people were killed in Russian strikes in the Kherson region of southern Ukraine during a 30-hour Easter truce declared by Moscow, the Associated Press reported, citing local authorities.
The head of the Kherson administration, Oleksandr Prokudin, wrote on Telegram that the people were killed 24 hours before the end of the truce and added that three people were also injured.
Putin announced a temporary ceasefire on Saturday from 6:00 p.m. (Moscow time) on April 19 to midnight on April 21. Ukraine has expressed its readiness to adhere to a real ceasefire, but added that Russian attacks are continuing.
Ukrainian President Volodymyr Zelensky said that Russia has violated the ceasefire more than 2,900 times. He said that during the ceasefire, Russian forces carried out 96 assault operations along the front line, shelled Ukrainian positions more than 1,800 times and used hundreds of drones. Zelensky added that Ukraine has taken retaliatory measures.
The Russian Defense Ministry, for its part, said that Ukraine has violated the ceasefire 4,900 times. The military said Russian forces had "strictly observed the ceasefire".
Putin said on Monday that fighting had resumed after the ceasefire expired at midnight.
He also commented on Zelensky's call for a full 30-day ceasefire, or at least a halt to attacks on civilian targets. Putin said Kiev was trying to "seize the initiative". "We need to think, carefully assess everything and look at the results of the ceasefire," the Russian president added.