(CNN)Brazilian surf star Ricardo dos Santos has died after reportedly being shot by an off-duty police officer. Heartbroken tributes poured in from the 24-year-old's surfing peers. "An incredible human being!" wrote Carlos Burle, another top Brazilian surfer, in a post on Instagram. He said dos Santos had "a whole life ahead of him." "RIP Ricardo dos Santos. Forever in our hearts," tweeted Tiago Pires, a leading Portuguese surfer. Dos Santos was "a fearless, world-class tuberider" who "captured the surf world's attention" at the 2012 Billabong Pro event in Tahiti, according to Surfer magazine. The off-duty police officer shot dos Santos three times in the chest Monday after the two had an argument in front of the surfer's family home in the Brazilian state of Santa Catarina, according to CNN affiliate Record News.The 24-year-old was "a fearless, world-class tuberider," Surfer magazine saysHe had "a whole life ahead of him," says fellow surfer Carlos BurleAn off-duty officer suspected of shooting dos Santos has been arrested, CNN affiliate reports
"We're all together with you, brother," Burle wrote on _.