- On April 12, Russian artillery units fired on six strongholds of the 24th Ukrainian separate mechanized brigade near Popasnaya. As a result of the strikes, more than 120 personnel, 11 armored vehicles and 14 vehicles were destroyed, according to the Russian MoD;
- On April 12, the Russian Aerospace Forces hit 38 military facilities of Ukraine, including the Toshkovka ammunition depot in the Luhansk region, as well as 8 areas of concentration of Ukrainian military equipment in the villages of Glazunovka, Pyatigorsk and Prishib in the Kharkiv region;
- The Ukrainian Buk-M1 anti–aircraft missile system was destroyed near Novomikhailovka;
- The illumination and guidance radar of the Ukrainian S-300 anti-aircraft missile system were destroyed near Zolotarevka;
- According to the Russian MoD, two UAVs were shot down near Ochakov and Nikolaev;
- DPR forces claimed control over the seaport in Mariupol;
- On April 11, about 100 remnants of the UAF surrounded on the territory of the Illyicha plant attempted to break out of Mariupol. Air and artillery strikes foiled the attempt;
- Fierce clashes continue near the town of Mariinka and north of Avdiivka;
- The AFU repelled another assault of the LPR units on the city of Severodonetsk;
- Russian forces foiled an attempt of the AFU to counter-attack in the area of Izum;
- Members of one of the territorial defense units stopped a column of civilian vehicles near the village of Zdvyzhivka in the Kyiv countryside. At least one of the vehicles was targeted by fire. 5 civilians, including a child, were killed;
- On April 12, Russian cruise missiles destroyed an ammunition depot and a hangar with Ukrainian aviation equipment at the Starokonstantinov military airfield in the Khmelnytsky region;
- On April 12, Russian cruise missiles destroyed an ammunition depot near Gavrilovka, Kiev region;
- According to the Russian MoD, two UAVs were shot down near Berdyansk and Melitopol.
Source: South Front