A 19-year-old British tourist who was subjected to a horrific sex attack in Majorca 'was gang-raped on top of a chest freezer by three men in bar storeroom as one of them filmed on a mobile phone', sources close to the probe said.

It has been revealed that two of the suspects had handed themselves in before being formally arrested following the arrest of the first suspect.

Although some local reports have described all three men as workers at the bar where the alleged sex attack happened, well-placed sources close to the investigation have said they believe only one was formally employed there - the bar manager.

Two of the suspects are understood to be related to each other.

Sources close to the probe said 'the men were being investigated on suspicion of raping the British woman over a small industrial chest freezer in the bar storeroom'.

The 19-year-old holidaymaker raised the alarm after returning to her hotel in the early hours of Friday morning, telling cops she had been plied with alcohol at a bar in S'illot, before being taken to a storeroom when she became dizzy and 'offered sex'. 

A 19-year-old British tourist was 'gang-raped on top of a chest freezer by three men in a bar store room as one of them filmed on a mobile phone' in S'illot, Majorca (file picture of S'illot)

Initially only one man was taken into custody, but two suspects handed themselves in before being formally arrested

Respected island newspaper Ultima Hora said she had claimed she was followed after managing to open the storeroom door and leave the unnamed bar - and was raped by the manager after being taken to a secluded spot nearby. 

The two men initially described as friends were said to have watched the alleged sex attack but failed to stop it - but they have now reportedly handed themselves in over  the attack.

The man who was initially taken into custody is Spanish and denied any wrongdoing. 

The ongoing investigation is being led by the Civil Guard who are awaiting the results of DNA tests and calling in footage from CCTV cameras in the area as well as speaking to locals to see whether they saw witnessed anything that could help them.

The trio are expected to remain in a local prison for several days and possibly weeks while their legal representatives try to get them freed on conditional bail. 

The 19-year-old holidaymaker raised the alarm after returning to her hotel in the early hours of Friday morning (file picture of S'illot)

She told cops she had been plied with alcohol at a bar in S'illot, a small tourist town on the south east coast of Majorca, before being taken to a storeroom when she became dizzy and 'offered sex' (file picture)

There has not yet been any official comment from police. 

On Friday the trial in the Majorcan capital Palma of two men accused of sexually assaulting and robbing a British tourist in Magaluf in March last year finished. 

The pair are facing prison sentences of 20 and 27 years respectively if they are convicted of their crimes.

The three trial judges are expected to deliver their sentence in writing in the coming weeks.