The fourth and final round of the players' championship was suspended on Sunday after thunderstorms found Sawgrass.
The Hoorn sounded around the iconic race at 1.15 pm local time, with Rory McIlroy led by a shot while he played the 12th hole.
Spectators were warned to find cover when De Donder opened the area in Rolde and heaven.
'Find safe shelter or leave the building. Avoid open areas, hills and trees, 'read a warning.
Sawgrass was baked in the sun and heat during the first two days of this tournament, which is called the 'fifth major' and brings the best players in the world to the coast of Florida.
But 30 km / h winds destroyed damage during the third round of Saturday before it took another turn on Sunday.
More to follow
Thunderstorm meant that the fourth and final round of the players championship was suspended
