Heat star Tyler Herro is rushing in to give his fellow Miamians a big assist ... showing up at the scene of the tragic South Florida condo collapse Thursday to offer a helping hand.
The 21-year-old NBA player and his assistant coach, Chris Quinn, were spotted on the scene just hours after the a 12-story oceanside building partially collapsed ... quickly offloading water bottles to those in need.
As we previously reported, a massive search and rescue effort is underway as countless people are missing due to the unexpected and shocking collapse of the building.