Mr Medvedev also said he would introduce a draft law to change the system for registering a political party.

BBC: Russia: Medvedev urges bold political reforms

"Although the law has been changed over the years to strengthen the system - introducing checks on postal votes and making registering to vote more secure starting next summer - our research shows voters are still concerned about electoral fraud, " Jenny Watson, the watchdog's chair, said.

BBC: Polling station

By registering the amount of friction between the tyre and the road, the system warns the car's computer-control equipment if the car is in danger of aquaplaning on a large puddle or skidding on ice.

ECONOMIST: MONITOR