British backpacker Mary Kate Heys was 'kidnapped' in Australia by a friend she ...

A young British backpacker in Australia has been 'left terrified' and 'wanting to go home' after she claims she was kidnapped by a friend who 'just snapped'.

Mary Kate 'Miri' Heys, 20, from Manchester told Daily Mail she agreed to go on an 'adventure' with a Swedish backpacker, 23, she had befriended during her two weeks on Queensland's Sunshine Coast'.

'I had no reason not to trust him, we had spent every day together,' she told the Daily Mail.

Mary Kate 'Miri' Heys, 20, from Manchester says she was kidnapped by a friend who had 'snapped' - pictured here for the first time since the 'terrifying' ordeal

Mary Kate 'Miri' Heys, 20, from Manchester says she was kidnapped by a friend who had 'snapped' - pictured here for the first time since the 'terrifying' ordeal

The young woman's terrifying journey started at 4.30am when her friend told her they had to go on an adventure

The young woman's terrifying journey started at 4.30am when her friend told her they had to go on an adventure

Miri posted a photo from the backseat of a police car after her ordeal ended on Monday afternoon

Miri posted a photo from the backseat of a police car after her ordeal ended on Monday afternoon

'But he lost the plot yesterday – he was a normal person and just snapped.'

Miri says her terrifying journey started when her friend, who she has chosen not to name, knocked on her door at 4.30 on Monday morning.

'I heard someone run down the hallway and then there was a knock on the door.

'I got up and answered the door and he was already half way down the hallway – but he ran back and told me to come on an adventure to Brisbane with him.

'Looking back his eyes were really wide – like a serial killer's – I should have known something was not right but I went with him.

The young brunette from Manchester hopped in the car – but her driver headed north not south towards Brisbane as he had promised.

The young woman agreed to go to Brisbane with her friend - but he headed north and said they would actually go to Cairns

She became afraid and contacted her father

The young woman agreed to go to Brisbane with her friend - but he headed north and said they would actually go to Cairns

Ms Heys told her father to call the Australian police along with a pin-drop of her location 

Ms Heys told her father to call the Australian police along with a pin-drop of her location 

'He told me to only take my most important belongings – and even wanted me to leave my phone behind – but I insisted on bringing it,' she said

'He told me to only take my most important belongings – and even wanted me to leave my phone behind – but I insisted on bringing it,' she said

'He told me to only take my most important belongings – and even wanted me to leave my phone behind – but I insisted on bringing it.

'Then he told me we were actually going to Cairns – I didn't want to go for an 18-hour drive and started to get worried.

'He had gone crazy, I thought I was going to die, but I just tried to stay calm so that he wouldn't flip out and kill me.'

The young woman tried to get help at a petrol station about an hour north of the pair's hostel in Mooloolabah – asking the attendant to take down the details of the car and contact police.

'I told her that the man I was with wouldn't let me out of the car,' she said.

'People have asked me why I didn't run when I had the chance at the service station – but I was honestly too scared I didn't want to do anything to make him angry and was trying to stay calm so he wouldn't hurt me.'

Mary Kate Heys claimed she was kidnapped and driven more than 50 miles from her hostel in Queensland, Australia

Mary Kate Heys claimed she was kidnapped and driven more than 50 miles from her hostel in Queensland, Australia

She told a woman at a petrol station she needed help but an hour later there was no sign of police

Mary Kate said she went with the man because she had feared for his safety, but soon realised she needed help to get away from him

'I messaged my dad and asked him to call the police, I just kept sending him my location – pretending the GPS was broken.'

'I messaged my dad and asked him to call the police, I just kept sending him my location – pretending the GPS was broken.'

After spending another hour in the car with her friend turned captor Miri decided it was time to ask her father - who lives on the other side of the world - for help.

'I messaged my dad and asked him to call the police, I just kept sending him my location – pretending the GPS was broken.

The young girl's messages to her father reveal her fear as she travelled up the Bruce highway towards Cairns.

Her messages started: 'Dad, are you awake? I need

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