Friday 14 October 2022 17:24, UKJust Stop Oil activists have thrown tomato soup over Van Gogh's masterpiece Sunflowers at the National Gallery.The group's activists have been blocking roads around parliament and elsewhere in London in the last few days.Last Sunday, police said that more than 100 people had been arrested after a weekend of protest-related activity byenvironmental groups.Read more:COP27: Everything you need to know about the United Nations climate talks in EgyptCOP27: Everything you need to know about the United Nations climate talks in Egypt"The cost of living crisis is part of the cost of oil crisis.Visitors were quickly escorted out by security, who then shut the doors to room 43 of the gallery where the painting hangs."