A report from TASS (Russia) sets out the main available details, with claims kept attributed to their sources.
TASS says the 9th State Duma elections were held over a three-day voting period ending September 20.
A deputy secretary-general said mission members visited 47 polling stations, according to TASS.
Brahima Fomba, an observer from Mali, praised Russia's use of high-tech voting solutions, according to state news agency TASS.
Ella Pamfilova, head of Russia's Central Election Commission, says foreign observers will be given information on how elections are organized in border areas despite difficult conditions
Officials report thousands of in-person training sessions held nationwide to prepare election monitors, according to TASS.