Demonstrators poured orange paint over the US artist Charles Ray's Horse and Rider

Choosing museums as a backdrop to protests is "a testament of their symbolic power and relevance in the discussions around the climate emergency,” International Council of Museums says

Curators at Leopold Museum say that Letzte Generation's protest against fossil fuel projects left no damage to either the picture or the original frame

Two activists from the group Stop Fracking Around also glued their hands to the gallery wall to protest the construction of a major gas pipeline in northern British Columbia

The signatories of the open letter include the directors of the Musée du Louvre and New York's Museum of Modern Art

Goya works at the Prado and a Van Gogh painting in Rome were recently targeted

Had they thought about it more deeply, the activists who attacked the Van Gogh work could have gained something more than attention

The exhibition "Tunnel Visions" at Queercircle explores the threat of urbanisation and pollution

Dutch police have arrested three people at the Mauritshuis in The Hague

The protestors from Letzte Generation took inspiration from a recent stunt that saw Van Gogh's Sunflowers doused in soup

The granddaughter of the oil tycoon J. Paul Getty has donated millions to support activist groups like Extinction Rebellion and Just Stop Oil

Plus, Art Basel's inaugural Paris+ fair and an enigmatic Frank Bowling painting

The environmental group Just Stop Oil says it attacked the painting in response to the UK government’s inaction on the cost-of-living and climate crises

The Islington-based campaigners Nocado are fighting to prevent retailers Ocado and Marks & Spencer from setting up a depot adjacent to a primary school

Unesco site is targeted by more than 50 protestors from the group Extinction Rebellion

Protestors from the Letzte Generation group have glued themselves to works by Rubens, Poussin and Cranach

The Scrovegni Chapel in Padua is home to masterpieces by the Italian Medieval painter Giotto

The group is funded by the Los Angeles-based Climate Emergency Fund

More protest actions will follow, says Ultima Generazione group

Officials at the Gallerie degli Uffizi in Florence say that the 15th-century painting was not damaged thanks to protective glass cover

Two demonstrators are in police custody after they attached themselves to a 19th-century landscape by Horatio McCulloch at the Kelvingrove Art Gallery