it's either going to be:
tracking, nice and simple
bent strut, nice and simple
bent tca. nice and simple
track rod end, nice and simple
bush on the arb/tca pushed out, again, nice and simple
bent steering arm, not so simple
bent crossmember, again, not so simple
top mount popped through, simple

amongst other things

then again, it might just be your wheel that's fooked