CNN —Spanish climate activists sprayed red paint across a superyacht owned by billionaire Walmart heiress Nancy Walton Laurie in Barcelona on Friday, the second time the yacht has been the target of protests in the past two months. Two activists from the climate groups Scientist Rebellion and Extinction Rebellion accessed Marina Port Vell, a dock for superyachts, at 7 a.m. local time on Friday, according to a spokesperson for the organization. The Walmart heiress Nancy Walton's megayacht was spray painted this morning by climate activists in Marina Port Vell, Barcelona . Scientist RebellionA spokesperson for Marina Port Vell said that the boat had not been damaged in Friday’s action. The activists were detained by police at the marina for three hours before being released, according to a spokesperson for Scientist Rebellion.

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Persons: Nancy Walton Laurie, Nancy Walton's megayacht, Port Vell, Samantha Burgess Organizations: CNN, Scientist Rebellion, Port Police Locations: Spanish, Barcelona, Marina Port Vell, superyachts, Ibiza