This was reported in the Russian media, citing a video message from Oleksii Arestovych, advisor to the head of the Ukrainian presidential office, dated March 31. In fact, Arestovych said that there is no need to raise groundless, panic and "not to send out scary messages about a massive Russian strike".
In his thesis, he clarifies that the Russians will not shell not in order to "kill an MP of Ukraine or a journalist," but ""they will hit military-industrial complex facilities, even if they hit them, and infrastructure facilities.
His appeal does not say that Russia is shelling ONLY military infrastructure facilities. Oleksii Arestovych notes that they can hit both "military-industrial complex facilities" and "infrastructure facilities", i.e. it can include not only military but also industrial, social and even civilian infrastructure.
The advisor to the head of the OPU repeatedly noted that the Russian army "deliberately destroys civilian infrastructure". For example, during an April 1 briefing, he said: "The enemy continues to carry out air and missile strikes on critical infrastructure, military industry, military facilities and, unfortunately, continues to destroy residential neighborhoods in Mariupol, Kharkiv, Chernihiv. Chernihiv is a city that the enemy is trying to turn into a "second Mariupol.""