Ukraine launched a new massive wave of drone attacks Sunday as Russians cast ballots on the final day of a presidential vote set to extend President Vladimir Putin's rule for another six years. The Russian Defence Ministry reported downing 35 Ukrainian drones overnight, including four in the Moscow region.
Moscow Mayor Sergei Sobyanin said there were no casualties or damage.
According to the Defence Ministry, another two drones were shot over the Kaluga region just south of the Russian capital and the Yaroslavl region northeast of Moscow.
The attacks on the Yaroslavl region, which is located about 800 kilometres (500 miles) from the Ukrainian border, were some of the farthest launched by Ukraine so far.
More Ukrainian drones were downed over the Belgorod, Kursk and Rostov regions that border Ukraine and the southern Krasnodar region, the Defence Ministry said.
Belgorod Gov. Vyacheslav Gladkov said the Ukrainian shelling killed a 16-year-old girl Sunday and injured her father.
A drone fell on a refinery in the Krasnodar region, sparking a blaze that was extinguished a few hours later, according to regional authorities. A worker at the refinery died of a heart attack, officials said.
Refineries and oil terminals have been key targets of Ukrainian drone attacks.
The attacks followed a series of other Ukrainian drone raids and other attacks over the past few days that Putin described as an attempt by Ukraine to frighten residents and derail Russia's