Ukrainian resistance in the temporarily occupied territories and the threat of a naval blockade in the south hinder Russia's annexation plans.

This is evidenced by data from the Institute for the Study of War (ISW)..

According to analysts, Ukrainian resistance in the Kherson and Zaporozhye regions is likely to "

In addition, the Russians are trying to increase their presence in the northwestern part of the Black Sea due to the threat of a blockade of ships..

Ukrainian troops still control a critical stretch of the Ochakov coastline in the Mykolaiv region and may be able to block Russian shipping.

Russian troops are likely to increase control over access to ports in the Black Sea under the protection of a fortified naval presence on Snake Island.

At the same time, analysts suggest that Russian troops may be staging false flag attacks around Donetsk to curb pro-Ukrainian sentiment..

Key findings of ISW analysts:.

Russian troops launched a ground assault on Severodonetsk and settlements nearby, but by June 15 did not take full control of the city.

The invaders are conducting mostly unsuccessful offensive operations around the T1302 Bakhmut-Lysichansk highway, trying to cut Ukrainian land lines to Lysichansk.

The invaders continued to advance along the E40 highway to Slavyansk and southeast of Izyum.

Fighting continues in settlements around Kharkiv.

Russian troops continued to strengthen reserve positions in Zaporizhia and Kherson regions, while taking defensive measures to increase the Russian presence in the Black Sea.

The Kremlin and the self-proclaimed republics continue to pursue a special policy of annexation in the occupied territories.