Authorities in Ukraine say three political analysts, a journalist, and an activist died in a traffic accident in the western region of Rivne on September 6.
Anton Herashchenko, a lawmaker and adviser to Interior Minister Arsen Avakov, wrote on Facebook that political observers Oleksandr Maslak, Oleksiy Kurinniy, and Oleksandr Nikanorov, journalist Volodymyr Karahyaur, and activist Serhiy Popov were killed and that the early morning crash was being investigated.
Ukraine's national police said earlier that four men died after the car they were in collided with a truck. The fifth man in the car died hours later in a hospital, it said.
The police report did not identify the men.
Kyiv-based journalist Bohdana Babych wrote on Facebook that the five were returning to Kyiv from Poland after taking part in a conference.