In article ,
Appelation Controlee writes:

There's a brick adrift in one of our outside walls, and I'm not sure how to
go about sorting it out.
Mortar lines are very slim, so there's not much space to operate, and the
brick has slid back a little, into the cavity space, with next-to-nothing
to get hold of.
Any suggestions for how I can deal with this?

The offending item can be seen he http://bit.ly/bw3Guv

That looks like a pile of bricks, not a wall.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]