The mayor of the Russian port city of Novorossiisk declared a state of emergency on Saturday after local authorities said a Ukrainian drone attack had damaged a grain terminal and several residential buildings, injuring five people. There was no immediate comment from Ukraine, whose air force said Russia had attacked Ukraine overnight with 183 drones and two ballistic missiles. Andrei Kravchenko, the mayor of the Russian Black Sea city of Novorossisk, was shown inspecting damage to three apartment buildings in video released on his official Telegram account.