The two men had been in Germany for medical rehabilitation after sustaining injuries during the war, Ukrainian media reported.
The dead victim was killed inside a car, while a man and two women were injured, regional Governor Vyacheslav Gladkov said.
The move renews a past suspension set to expire in June 2024.
In total, Russia attacked Ukraine with 24 drones overnight, targeting the north and centre of the country, according to the General Staff in Kyiv.
The European Commission announced on Friday that it was phasing out controversial trade restrictions on Ukrainian grain products.
More than 10,000 have entered Ukraine since Thursday alone.
In the letter, Mr Reznikov, appointed defence minister in November 2021, said all the key tasks set for his mandate had been accomplished.
“I think it is possible politically to force the demilitarisation of Russia on the territory of the peninsula.”
Usyk has remained unbeaten, retaining the WBA, WBO, IBF and IBO heavyweight titles.
Reports say that the 16-year-old and 25-year-old victims were from the local Akbat Jaber refugee camp.
