This is definitely S-300/400 air defence

Several more Geran impacts in Explosions in Znam'yanka, Kirovohrad Oblast.

Explosions in Lutsk, Volyn Oblast. Geran impacts.

Repeated explosions in Lutsk. Geran impacts.

Explosions in Zhytomyr. Gerans.

Explosions in Lviv and Lutsk. Gerans.

Ukrainian air defence is very active in Lviv right now. The Gerans in Lutsk are mostly striking one target

Lutsk

New explosions in Rivne. Gerans.

~35 Gerans left in Ukrainian airspace

Explosions in Khmelnytskyi City. Gerans.

Another explosion in Khmelnytskyi City. Gerans

Repeated explosions in Lviv City. Gerans.

The Gerans are targeting the area of the airport in Khmelnytskyi.

More Gerans are entering Lviv for a strike

Explosions in Lviv.

A series of explosions were heard in Varash, Rivne Oblast.

6+ new Gerans are flying to Lutsk

More explosions in Lviv. Extensive Air defence work continues.