Key Points
- Abdulmanon Aliev, 50, of Rye Lane in Peckham, was jailed for 12 years at Inner London Crown Court on Tuesday, June 23.
- He was found guilty of attempted rape, two counts of assault by penetration, and three counts of sexual assault.
- The offences took place on June 16, 2025, on a train travelling from Southend to London.
- British Transport Police led the investigation into the case.
- The victim was 13 years old and was targeted during the journey before the train reached London Fenchurch Street.
- After getting off the train, the girl reported the assault to members of the public, who then alerted police.
Peckham (South London News) June 24, 2026 – Abdulmanon Aliev, 50, of Rye Lane in south London, has been jailed for 12 years after being convicted of sexually assaulting a 13-year-old girl on a train, following an investigation led by British Transport Police. The sentence was handed down at Inner London Crown Court on Tuesday, June 23, after a jury found him guilty of attempted rape, two counts of assault by penetration, and three counts of sexual assault.
The case centred on an incident that took place on June 16, 2025, while the girl was travelling on a train from Southend to London.
According to the account reported by British Transport Police, Aliev approached the teenager during the journey, sat opposite her, and attempted to communicate through a translation app on his phone.
When the girl moved to another seat, he followed her, sat beside her in the aisle seat, and trapped her by the window.
How did the assault unfold?
The court heard that Aliev then subjected the victim to a prolonged sexual assault before the train arrived at London Fenchurch Street.
The report states that the girl was unable to escape once he had positioned himself beside her, turning what began as an unwanted interaction into an attack that continued during the journey. The details show that the assault happened in a confined public space, with the victim left exposed on a moving train.
After the train reached London, the victim left the service and boarded another train out of the capital. She then reported the assault to members of the public, who alerted the police.
British Transport Police later carried out the investigation that led to Aliev’s arrest, prosecution, conviction, and sentencing.
What was said in court?
The available report gives the main outcome of the case but does not include a full courtroom transcript or detailed remarks from the judge, prosecutor, or defence.
What is confirmed is that Aliev was convicted on multiple sexual offences, reflecting the seriousness of the case as assessed by the court. His 12-year sentence at Inner London Crown Court marks the end of the criminal proceedings described in the report.
The published information also identifies Aliev as being from Rye Lane in Peckham, placing the case within south London. British Transport Police was the lead investigating force, which is consistent with offences committed on the railway network.
The report does not give further details on victim impact, sentencing remarks, or any additional background about the defendant beyond what is stated above.
Why is this case significant?
This case is significant because it involves the sexual assault of a child on public transport, a setting in which passengers should expect a basic level of safety and oversight.
The reported facts also underline how quickly a stranger can isolate a victim in a crowded or semi-controlled environment if intervention does not occur immediately.
The fact that the girl sought help from members of the public after leaving the train highlights the role passengers can play in reporting abuse and triggering a police response.
It is also notable that the offence happened on a service travelling into London, a route likely used by many commuters and travellers.
The prosecution result shows that offences committed on the rail network can lead to serious prison sentences when evidence supports the charges.
In this case, the conviction covered attempted rape, assault by penetration, and sexual assault, which together formed the basis for the lengthy custodial term.
How was the case investigated?
British Transport Police led the investigation after the assault was reported. The public were involved at the earliest stage after the victim told members of the public what had happened and they then contacted police. The report does not set out the full investigative timeline, but it is clear that officers were able to gather enough evidence for the case to proceed to trial and conviction.
The available account does not say whether CCTV, witness evidence, or forensic material formed part of the case, so those details cannot be confirmed from the source material provided.
What can be stated with certainty is that the investigation ended with Aliev being found guilty of all the offences listed in the report. His imprisonment for 12 years confirms that the court treated the matter as a grave sexual offence case involving a child.
What does the sentence mean?
A 12-year prison sentence reflects the severity of the offences and the fact that the victim was 13 years old. The sentence means Aliev will spend a substantial period in custody before any future release consideration, subject to the rules that apply to his case.
The report does not provide details on whether he was ordered to register as a sex offender, whether a restraining order was imposed, or whether any additional legal measures followed.
The conviction also means the court accepted the prosecution case that the assault happened as described in the report. For the victim, the sentence marks a legal conclusion to a case that began on a train journey and ended with a custodial punishment handed down a year later.
The central facts remain the victim’s age, the public transport setting, and the multiple sexual offences for which Aliev was convicted.
Background to the case
The incident took place on June 16, 2025, aboard a train from Southend to London. During the journey, the defendant allegedly targeted the teenager by starting contact with a translation app, then moving seats to remain close to her.
The report says he trapped her by the window and carried out the assault before the train reached London Fenchurch Street.
The case is part of a wider pattern of offences that show why transport policing often relies on both passenger awareness and rapid reporting.
In this instance, the victim’s decision to speak out after leaving the train was crucial, because it brought members of the public into the chain of response and led to police being informed. The case then progressed through investigation, prosecution, conviction, and sentencing at Inner London Crown Court.
What could this mean for passengers?
For passengers, particularly minors and lone travellers, the case reinforces the importance of alerting staff, fellow passengers, or police immediately if behaviour feels threatening. It also shows how public reporting can be a decisive first step in sexual offence cases on transport networks.
The fact that the assault was reported after the victim got off the train suggests that opportunities to seek help may arise quickly once a journey ends or a safer space is reached.
For rail authorities and transport police, the case is likely to strengthen the emphasis on vigilance, reporting routes, and passenger reassurance. For families, it is a reminder that young people travelling alone may face risks even in ordinary public settings. The outcome also shows that serious offences on the railway can lead to lengthy prison terms when the evidence supports conviction.
