New details have emerged in the death of fitness star Nicole Brenda Santos Marins.

Marins’ husband, Alisson Cravo, confirmed her death via social media on Tuesday, August 19, calling the fitness star “an amazing woman, warrior, worker [and] wonderful mother.”

“Thank you for giving me what I didn’t deserve at the moment,” Cravo wrote in one post translated to English from Portuguese by People. “This journey was just the beginning of a beautiful story. Forgive me I will love you forever my wife.”

In another post, Cravo continued, “You brought out my best side. I will miss everything we lived through — all our plans that would happen, the calmness you gave me from your wonderful smile.”

Marins served as a personal trainer, sharing photos of her workouts to her followers alongside inspirational messages.

Scroll down for everything to know about Marins’ death:

What Is Fitness Star Nicole Brenda Santos Marins’ Cause of Death?

No cause of death has been shared.

Brazilian Federal Highway Police told NationalWorld that Marins was driving a motorcycle in Brazil when she experienced mechanical difficulties and pulled off onto the shoulder. Authorities claimed that Marins was struck by a “large” vehicle, which fled the scene.

Is There an Investigation Into the Death of Fitness Star Nicole Brenda Santos Marins?

E! News reported on August 21 that an investigation into the incident is ongoing.

What Has Fitness Star Nicole Brenda Santos Marins’ Family Said About Her Death?

While reflecting on the incident, Cravo detailed his final moments with Marins. “I ran from the gym trying to think that it could be fake,” he wrote in Portuguese, per E! News. “I left running with a racing heart not believing that there were sirens there, anxiety was beating, leaving me breathless to get close, but when I saw you on the ground I despaired.”

He continued, “I wanted to feel your pain. Not let you feel alone and hug you, give you my lap and calm you down as always you said you loved it, only you had the power to calm me down and I felt insufficient once again, even you always proving to me that I was everything for you, we were together until the end, go It’s hard to smile without your smile, but give me your strength from above.”

As Cravo continued to mourn Marins, he shared his appreciation for her online community. “I wanted all of you to have the chance to meet this incredible woman, this incredible human being and all her light,” he wrote on Tuesday, per People. “Thank you from the bottom of my heart, she deserves all admiration.”