A frigate of the Russian Black Sea Fleet launched an attack with four cruise missiles on Ukraine's military infrastructure, Russia's defence ministry said early on Wednesday."The crew of a frigate of the Black Sea Fleet received a task of launching a strike with Kalibr cruise missiles in the shortest possible time against enemy military infrastructure,

In early November, drone video surfaced online, appearing to show a targeted strike blowing up three antennas on the roof of an apartment block. The Ukrainian drone commander who posted it claimed to have destroyed a Russian Pole-21 electronic warfare system on the eastern front near Donetsk.

Ukraine is trying to fight back against Russia's electronic warfare systems that are jamming and confusing its advanced Western-supplied weapons.

A Russian general has reportedly been blown up by a landmine along the front line in Ukraine. Major General Vladimir Zavadsky, deputy commander of the 14th Army Corps, was said to have stepped on the explosive on Tuesday.

Russian forces were ramping up attacks in eastern Ukraine on Wednesday, Moscow and Kyiv said, as they vie to secure elusive territorial gains before the end of the year.