Play was interrupted briefly on the final day of the Women’s Open when protesters with flares made their way on to the 17th green.
Eventual winner Lilia Vu and England’s Charley Hull were finishing the hole when the incident took place at approximately 18:15 BST.
Security and police arrived to remove those involved and play resumed within a couple of minutes at Walton Heath in Surrey.
The protests appeared to be aimed at the tournament’s sponsors, insurance company AIG.
Several sporting events in England this year have been disrupted by environmental protesters.
Last month, a smoke flare was set off at the men’s Open at Royal Liverpool and orange powder was thrown at a green.
England wicketkeeper Jonny Bairstow carried a Just Stop Oil protester off the Lord’s ground during the Ashes Test in June.
Three Just Stop Oil protesters ran on to a court at Wimbledon last month, throwing orange…