Complex sentence: Out of the 98 troops in the convoy, at least 22 men were reported killed (including the unit's commander, Colonel Dimitry Markelov) and 31 were wounded; at least two members of the Podolsk unit were also killed.
Split into simpler sentences: Out of the 98 troops in the convoy, at least 22 men were reported killed, including the unit's commander, Colonel Dimitry Markelov, and 31 were wounded. At least two members of the Podolsk unit were also killed.