A Ukrainian drone attack on a ferry is deepening Russia’s logistical problems within its war effort, the British Ministry of Defence (MoD) said on Thursday. On July 23, Ukrainian forces damaged the rail ferry Slavyanin in Russia’s Port Kazkav, which is likely to “cause Russia further logistical problems in supplying its occupying forces in southern Ukraine and the regional export of Liquified Petroleum Gas (LPG),” the MoD said in its latest update. The Slavyanin has the largest capacity of three rail Roll On-Roll Off (RO-RO) which transit the Kerch Strait between Russia and the Crimean Peninsu…