Last weekend two of my cats, Zuki and Flopsy, were attacked by the above stray cat.  Luckily neither of them were badly injured, although Flopsy is still very skittish.  I don't know whether the stray was looking for food or a mate and as he didn't have a collar and my neighbours didn't know where he lived, I decided it would be best to catch him.  It took me over an hour but finally he succumbed to catnip treats!  The RSPCA shelter where I volunteer offered to pay for neutering and a blood test (my friend and I paid for his overnight stay at the vet's, defleeing and worming) but couldn't take him in as they were full but finally after a few phone calls I found a cattery that had a vacancy.  Hopefully he will have a much happier life from now on and my cats will be safe!  Btw, I called him Tyson!