MOSCOW, October 5 (RAPSI, Diana Gutsul) - Investigators have filed a motion with the Tverskoy District Court of Moscow seeking to extend the detention of real estate tycoon Sergei Polonsky, who stands charged with large scale fraud, the  court's press office told RAPSI on Monday.

The court will hear the motion on October 8.

Earlier, the detention of Polonsky was extended until October 11.

Polonsky, head of Potok Group (earlier Mirax) has been charged with fraud in absentia in the case of embezzlement of 5.7 billion rubles ($86.5 mln) from the Kutuzovskaya Mile residential community interest holders in the summer of 2013.

In May 2015, Cambodia, where Polonsky was escaping the Russian law enforcement, extradited him to Russia. He is currently in detention and has already been charged in presentio. Polonsky has  pleaded not guilty.

In June, experts found the businessman sane.

If convicted, Polonsky could face up to ten years in prison.