MOSCOW (Reuters) -Russian air defences repelled an attack by four drones flying towards Moscow, Mayor Sergei Sobyanin said on Friday, with no injuries reported in the capital or in an earlier attack on an oil complex in one of Russia's southern regions.

The pre-dawn attack came hours before scheduled talks between high-level delegations from Ukraine and the United States in Saudi Arabia.

Ukraine on Tuesday launched its biggest ever drone attack on Moscow and the surrounding region, killing at least three employees of a meat warehouse, injuring 17 others and causing a short shutdown at the Russian capital's four airports,

Long-range strike drones of Ukraine's Defence Intelligence hit a UAV production facility in the settlement of Obukhovo, Dzerzhinsky district, Russia's Kaluga Oblast on the evening of 12 March. Source: Ukrainska Pravda source in security services Details: The source reported that the Russians set up production lines for assembling drones inside the workshops of the Kaluga gas concrete plant.

After Ukraine staged its biggest-ever drone attack on Moscow, which coincided with the U.S.-Ukrainian talks in Saudi Arabia, VOA Russian spoke to regional experts who saw it as Kyiv's signal to Vladimir Putin to convince him to agree to a ceasefire.

Russian air defences on Friday repelled an attack by four drones flying towards Moscow, with no injuries reported in the capital or in an earlier attack on an oil complex in one of Russia’s southern regions.

Moscow witnessed a major aerial attack as Ukraine launched a fresh wave of drones, targeting key locations within the Russian capital. One of the drones hit a building just 4 kilometers from the Kremlin,

Ukrainian drones targeted Moscow for a second time this week, with city authorities saying early Friday that air defense systems downed four unmanned aircraft near the Russian capital. Moscow Mayor Sergei Sobyanin said emergency crews were dispatched to areas where debris from the intercepted drones had fallen.