A SUSPECTED paedophile has been detained in Moscow after subjecting a 14 year old schoolgirl to brutal sex in which he admitted to tying her up with ropes.

CCTV video shows Vladislav Kanshin, 43, carrying out the underage child from his apartment block.

She was found dead on the ground by the doorway.

Most reports say Maria Kalugina, 14, was already dead when he carried her out.

Others claim she died from her own vomit lying on the ground.

When police called at his flat, the suspect showed them a fake passport belonging to another man with his picture glued in, according to law enforcement sources.

His real identity was established later from fingerprints, reported Mash social media news agency which has close ties to state investigators.

In his flat, officers found BDSM sex toys, ropes, and Viagra.

Kanshin then confessed to police that the schoolgirl had stayed the night in his flat a number of times, said law enforcement sources.

He admitted to having had “rough sex with ropes” with the girl and claimed they were in a consensual relationship which her mother knew about.

She went to his flat voluntarily by taxi, he told police.

After sex, the girl felt unwell and he went to the pharmacy to get medicine, he claimed.

When he returned “she was not breathing”, according to Kanshin.

“He got scared and took her body outside by the entrance,” said one report.

When police burst into his flat, the man was washing the bedsheets.

Kanshin has a previous conviction for fraud.

The age of consent in Russia is 16.

Law enforcement sources later made clear they believe Maria Kalugina died from poisoning.

They suspect she was heavily drugged before Vladislav Kanshin sexually attacked her.

It is likely he tried to “put her to sleep” before she was tied up and forced to have sex, they believe.

There were signs of “sexual violence on the girl’s body”, reported Mash, citing law enforcement sources.

Blood was found on a quilt cover and pillow cases, it was reported.

Supplies of drug clopheline - potentially lethal if taken with alcohol - were found in his possession.

A criminal probe has been opened and Kanshin is held in detention.