Devastated parents of missing surfer brothers Callum and Jakes Robinson fly to Mexico

Callum, 33, and Jake Robinson, 30, as well as their US friend Jack Rhoad, 30, were last known to have been in Rosarita on April 27.

The brothers’ parents Debra and Martin Robinson said Callum had been living in the US to follow his dream of becoming a professional lacrosse player.

“He is widely known in the US as the Big Koala,” they said.

“We think of him as our big, soft, friendly giant.”

Jake only left Australia two weeks ago to visit his brother.

“It was a trip of a lifetime to see his brother, before shortly taking up a new position at Geelong Hospital in Victoria,” the parents said.

“Callum and Jake are beautiful human beings. We love them so much and this breaks our heart.”

They said Jake had worked in regional hospitals across Australia.

Jake and Callum had attended the Coachella music festival before going to Mexico to surf.

“Jake is such a gentle soul and would want no harm,” his parents said.

“Our only comfort right now is that they were together doing something they passionately love.

“We ask people to keep them in their thoughts and prayers and to continue to respect our privacy at this distressing time.”

Earlier on Friday, the Baja California Attorney-General Maria Elena Andrade Ramirez said three Mexicans had been arrested.

A ute believed to have been used by the brothers was found south of Ensenada.

Traces of blood were also reportedly found in the tents.

“A working team is at the site where they were last seen, where tents and other evidence was found that could be linked to these three people we have under investigation,” Ms Ramirez said.

“There is a lot of important information that we can’t make public. We do not know what condition they are in.

“All lines of investigation are open at this time. We cannot rule anything out until we find them.”

Local media also reported that Mexican police arrested a woman who had a phone belonging to one of the brothers.

The Department of Foreign ­Affairs and Trade said they were continuing to provide consular assistance to the family.

Prime Minister Anthony Albanese described the brothers’ disappearance as “a really concerning situation”.

“Our embassy in Mexico is working with local authorities as well to try to ascertain what has happened here,” he told Seven’s Sunrise program on Friday.

“We certainly hope that these brothers are found safely but there is real concern about the fact that they’ve gone missing.

“Their mother is obviously very distressed about this and we just hope for a positive outcome.”