Rescuers and medical workers evacuate a resident from an apartment building damaged during a Russian drone strike, amid Russia's attack on Ukraine, in Odesa, Ukraine in this handout picture released 19 July 2025; Credit: Press service of the State Emergency Service of Ukraine in Odesa region/Handout via Reuters

(Reuters) - Russian forces staged a mass drone attack on the Ukrainian Black Sea port of Odesa early on Saturday 19 July 2025, setting ablaze at least one multi-storey apartment building and killing one resident, the city's mayor said.

Mayor Hennady Trukhanov said figures for the number of injured were being compiled.

"All emergency crews are working in enhanced mode," Trukhanov wrote on the Telegram messaging app.

Trukhanov earlier said that at least 20 drones had converged on the city, a frequent target of Russian attacks, and he said at least one multi-storey apartment building was on fire.

Pictures posted online showed a fire engulfing floors near the top of one building and emergency crews moving extended ladders into place. Smoke billowed from windows.

Parents were seen carrying children to safety in blankets.