Iconoclasm. A person who does this is an iconoclast.

Protestant iconoclasm.

Iconoclasm comes from the word iconoclast which means a breaker or destroyer of images, especially those set up for religious veneration.

So iconoclasm is the breaking or destroying of (religious) icons/images

what are your views on iconoclasm of Muslim invaders

Iconoclasm means the destruction or rejection of religious images or icons based on religious beliefs. It is often carried out as part of religious reform or as a response to the belief that the images are idolatrous.