The message
from "James" contains these words:

Is there anything I can do to minimise the impact to the previous tiles?

Yeah, don't hit it too hard. If you're really worried, you could drill a
hole in the middle of the tile and use a screwdriver to bust the tile
from inside. Otherwise, just bash it with a hammer and dig the shards
out.

--
Skipweasel
Pay no attention to that man behind the curtain.