"An accidental passer-by, a local resident, has become another victim," he wrote on Facebook and expressed his condolences to the victim's family.
MP from the People's Front parliamentary faction Mykola Kniazhytsky confirmed the second death in comments to the Facebook post.
Read alsoUkrainian MP Mosiychuk wounded in blast in Kyiv"Two deaths. Mosiychuk's bodyguard and a passer-by called Mykhailo. He died in hospital No. 17. [Political expert] Vitaliy Bala's condition is serious and critical. All details will be in the morning," Yuriy Fedun, an assistant to Radical Party leader Oleh Liashko, wrote on Facebook.
As UNIAN reported earlier, four people were wounded in a bomb blast near the editorial office of the Espreso TV Channel in Kyiv's Solomyansky district at 22:15 local time on October 25. Among them were MP Ihor Mosiychuk and his bodyguard, who died of wounds.