This forum posts goes into more detail - basically, they dressed up as girls and pretended to be having difficulties jump-starting their car. And they left petrol, rags, and matches near my property, with the intention of returning later on to set fire to the house:
Did FFTC Huddersfield just try to burn me out?
The bullet appeared around the same time that I received a summons for posting that I had seen Andrew Kimmings noncing on kids: