Russian 2S4 Tyulpan 240mm heavy mortars in the Severodonetsk area. These may have been shifted from Mariupol. 2S7 and 2S4 have better penetration against fortified positions than 152mm artillery.https://t.co/FwCxldkGZa pic.twitter.com/6TaHNtfcPV

— Rob Lee (@RALee85) May 20, 2022