CCTV footage has emerged of a convicted rapist leaving a karaoke club with two women who police say he later stabbed to death and dismembered.

Officers are investigating reports Alexander Maslennikov, 31, raped the women and minced some of their remains before feeding them to dogs.

In the footage, he is smoking a cigarette and carrying a bottle of wine as he leaves the club at 6am in the Russian city of Volzhsky.

He is followed by sales assistants Daria Labutina, 29, and Olga Shaposhnikova, 28, who are known to have accompanied him to a flat he rented after being released from prison over rapes, sexual assault and robbery.

Alexander Maslennikov is seen smoking a cigarette and carrying a bottle of wine as he leaves the club with Daria Labutina and Olga Shaposhnikova (East2West News)

The women, who worked in a local shopping centre, were unaware of his rape convictions, but even so friends say it was "out of character" for the pair - who both had boyfriends - to go home with a stranger.

Despite this, the women shared drinks at his flat but it is unclear if he stabbed them after they refused to have sex with him or - as earlier reported - he raped the women then killed them.

One version is that they turned down his demand for a threesome.

But it is known he then dismembered their bodies in his bathroom.

One of the women was cut into around 20 pieces. The other woman had severed legs.

Maslennikov was later arrested near Moscow as he was suspected of plotting an attack on another woman (East2West News)

Police have not confirmed local reports that he minced body parts of the women in a grinder, and later fed the "meat" to dogs.

The man was later arrested near Moscow as he was suspected of plotting an attack on another woman, a hairdresser.

At the weekend, a crowd of 500 gathered to protest the suspected killer, hurling abuse at the man as he showed police where he hid human remains.

They shouted "murderer" and "bastard".

Police have released CCTV videos showing the 6ft 6inch man entering his apartment block with the women, but then leaving later carrying two sports bags containing the women's remains.

Alexander Minaev, senior investigator on the case, said: "So far we can tell you that Maslennikov confessed the crime and has given evidence pointing at the place where he hid the bodies.

"The details of his crime are being established now, and the investigation is in progress."

While he confessed to murdering both women, he has been reluctant to give police all the details.

Maslennikov confessed to murdering both women (East2West News)

The women had been missing since visiting Voice karaoke club in the industrial city of Volzhsky on 13 October. Their mobile phones stopped working immediately and frantic relatives could not reach them.

Police established that they had left the club with Maslennikov who had been freed from jail in May after serving 11 years for rape, sexual assault and robbery.

"The criminal dismembered their bodies and ground them up with a mincer," reported Moskovsky Komsomolets, citing law enforcement sources.

Their remains were "fed to dogs", according to local reports. Body parts of the women were also found in a forest near the city, in Volgograd region, say police sources.

Five days after the women vanished, charges of "murder of two people" were laid against Maslennikov in absentia and he was put on Russia's wanted list.

The local mayor offered a 700,000 rouble reward (£9,100) for information on the suspect.

Maslennikov was detained late last week by police close to Moscow where he had fled and begun dating a woman, a mother-of-one who worked as a hairdresser. She had earlier been his penpal.

In a video of his interrogation, the suspect is seen sweating as he is quizzed by a policeman.