Definition of intruding
(of igneous rock) be forced or thrust into (a preexisting formation).
A swarm of mafic igneous dikes have intruded the Estes pegmatite and make a showy display in the quarry face.
put oneself deliberately into a place or situation where one is unwelcome or uninvited.
More importantly though I envisioned protesters and police intruding on the habitat of wildlife in the area, driving away whatever critters lived there normally.