Hmm - wanna bet one of the two prize crazies - terrorists - are located very, very near that site?
Just a hunch.
From what I read in the papers, you can hardly throw an Easter Egg and not hit an Al Qaeda wanna be in the UK, but in this case the grenade seems to have been left over from WWII. Pretty sure this one was all covered up with decades of dirt and rust.
Next entry: Fair And Balanced?
Previous entry: BACK AGAIN WITH A HUGE BIT OF RAAAAAACIST NONSENSE