The heroic sister who fought to save the life of her identical twin from a crocodile fought the predator three times before rescuing her.
Seeing her sibling Melissa Laurie in the jaws of the reptile while swimming in a Mexican lagoon, Georgia Laurie immediately swam towards the attack.
The 28-year-old then began punching the crocodile fighting to release her sister who had been savaged by the beast.
The twins remained in hospital on Tuesday with Melissa in an induced coma.
Their elder sister, Hana Laurie, 33, has now revealed her sibling’s courage saying how her family is "so proud" of her actions.
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Georgia immediately swam towards the attack
Melissa and Georgia, from Berkshire, were swimming in the daytime in a lagoon in Mexico, around 10 miles from Puerto Escondido when the attack took place.
The pair had booked a tour with a guide through their hostel and the women found out later their tour guide was not registered and had taken them to a swimming spot which was not recommended.
"He's an unlicensed tour guide and according to someone on a Mexican Facebook page he's been doing it for a while, doing illegal tours in unsafe, unregistered areas," Hana said
"He's gone to where the crocodiles live and not the location where all legal certified sanctioned tours take place.
"He has been called out locally before, apparently, but that wasn't for my sisters to know. They found out the information through their hospital."
As the crocodile attacked, Hana says Georgia didn’t stop to think for her own safety as she fought with the reptile.
"I felt really proud of her, very proud of her," she said.
"Georgia's OK, she's tired, she's really stressed. I think she's really frightened but she is awake and has got some wounds on her hands. Melissa's still in an induced coma."
The twins were volunteering with animals in the country and had been taking a break when the crocodile attacked
Hana said the family were in disbelief when they found out what happened, adding that the event was "so unusual, and so rare" they "didn't believe it could happen to them".
The pair are both recovering in hospital in Mexico, with Georgia suffering injuries to her hands while Melissa has been placed in a medically-induced coma to prevent any infection to her injuries.
The twins were volunteering with animals in the country and had been taking a break when the crocodile attacked.
A spokeswoman for the Foreign, Commonwealth and Development Office said: "We are supporting the family of two British women who are in hospital in Mexico, and are in contact with the local authorities."