Two women were allegedly sexually assaulted whilst queueing to see the Queen's coffin.
A court has heard how Adio Adeshine exposed himself to them and pushed into mourners from behind as they waited in line at Victoria Tower Gardens on Wednesday evening after Westminster Hall opened its doors to the public.
The 19-year-old, who had been queuing to see the Queen too, is said to have leapt into the River Thames in an attempt to escape police officers before coming out of the water and being arrested - the Mirror UK reports.
Adeshine was remanded in custody on Friday after appearing at Westminster Magistrates' Court charged with two counts of sexual assault and two counts of breaching a sexual harm prevention order.
Wearing a grey prison-issue tracksuit, Adeshine spoke to confirm his name, date of birth and address in Walworth, south-east London, before pleading not guilty to the charges.
Outlining the allegations, prosecutor Alex Adowale, said: "The defendant was part of the queue to see the resting in state of Queen Elizabeth II."
His alleged victims were among the countless people who lined the banks of the River Thames to view the Queen's coffin and pay their respects to the late monarch.
The court heard how the first complainant noticed Adeshine because she had never seen him previously despite having waited in the queue with the same people for hours by that point.
She is said to have noticed him getting closer to her before feeling something touching her back, then turned to see he had exposed himself.
The woman later allegedly saw Adeshine acting in a similar way towards another woman, before security were alerted and police called.
He is said to have thrown his phone into the Thames before entering the water himself, but was arrested shortly after coming out of the river.
Deputy Chief Magistrate refused to grant Adeshine bail, remanding him in custody ahead of his next appearance at Southwark Crown Court on October 14.
Victoria Tower Gardens, where the alleged incident took place, is on the final stretch of the now five-mile queue of mourners.
The Met Police have been approached for comment.
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