Russian-backed separatist authorities in eastern Ukraine said on Friday that a car had been blown up near their government building in the centre of the city of Donetsk, the TASS news agency reported.
Russia's Interfax news agency reported that nobody was hurt in the incident. Russia's RIA news agency reported that there had been a large explosion.
(Reporting by Maria Kiselyova; writing by Tom Balmforth; editing by Andrew Osborn)