L.A.’s fragile urban canopy was dealt a vicious blow this weekend when a chainsaw-wielding vandal cut down a number of shade trees along South Grand Avenue and other areas of downtown, according to media posts and photos uploaded to Reddit and Instagram.

Vandals cut down dozens of trees in downtown Los Angeles over the weekend, using chainsaws to damage the city's urban canopy. The incident, occurring near Earth Day, has prompted an investigation by the LAPD.