The central Ukrainian city of Kremenchuk came under attack by dozens of Russian drones and missiles overnight, causing power and water outages, Mayor Vitalii Maletskyi and the Ukrainian air force said on Sunday.

The city, located on the Dnipro River 259 km (161 miles) from the capital, Kyiv, is a major industrial hub and the site of one of Ukraine's biggest oil refineries.

The overnight attack came as the US continues to lead efforts to find a resolution to the conflict, with the Ukrainian, German, British and French leaders to meet on Monday in London to confer on the progress of negotiations.

What do we know about the Kremenchuk attack?

The Ukrainian Air Force was cited by the RBC-Ukraine news agency as saying that both drones and Kinzhal missiles were used in the attack.

Explosions were heard in the city, and residents reported disruptions to electricity and heating.

Maletskyi said in a social media post that work was ongoing to restore electricity, water and heating in districts where they had been disrupted. 

No official figures on casualties or the extent of the damage were immediately available, and the reports could not be independently verified.

Kremenchuk, which is located in the Poltava region of Ukraine, has frequently been hit by missiles during Russia's full-scale invastion.

In 2022, a strike on a crowded shopping mall in the city killed at least 21 people.

Ukrainian, French, German, British leaders to meet

The attack came after French President Emmanuel Macron announced on X Saturday that he would meet in London on Monday with Ukrainian President Volodymyr Zelenskyy, British Premier Keir Starmer and German Chancellor Friedrich Merz.

"I will travel to London on Monday to meet with the Ukrainian President, the British Prime Minister, and the German Chancellor, in order to take stock of the situation and the ongoing negotiations within the framework of the US mediation," Macron wrote, while condemning what he described as Russia's "escalatory path."

The announcement came as Ukrainian and US officials were holding a third straight day of talks in Miami to discuss a plan to end the nearly four-year war, triggered by Russia's full-scale invasion launched in February 2022.

Both Ukrainian and European leaders have voiced fears that they might be being sidelined amid the US-led peace efforts.

Edited by: Roshni Majumdar