Surfing star Chris Davidson dead on Age 45

Chris Davidson, 45, bashed his skull on the sidewalk-

 after being knocked to the ground after a brawl on Sunday night, according to reports.

Shortly after 11 p.m., emergency personnel arrived on the scene

 and discovered Chris unresponsive on the pavement.

The father of two was rushed to the hospital

but the surfing champion died a short time later.

Grant Coleman, 42, was reportedly detained and charged-

with his death 30 minutes after the alleged assault.