tile replace

Looking for a bit of creative advice... our neighbour found a section of our gutter downpipe in her garden this morning, it turns out that a hanging tile from our dormer has slipped out completely, pull the drain pipe down with it. There's only one tile that needs securing, but the issue is...

Hey guys, Pictured is a tile with a hole in it. We have underfloor heating and I am wondering if I can replace the tile and if so what’s best to use and how’s it best to go about doing it? I’ve never removed or laid a tile before and especially over underfloor heating Any help/advice is...