Not me but a mate
My best mate is ex-Old Bill - he left after a couple of years as he was fed up with the red tape and politics. However, during his time working as a copper, he was strolling through the square in Bournemouth when he witnessed a handbag snatch (no, not a massive gaping fanny, a theft).

Obviously he immediately gave chase, as the bespectacled youth fled with the handbag into Bournemouth gardens. for those that don't know Bournemouth, there's an outdoor exhibition space where they have art exhibitions and whatnot during the summer, so there's a simple, semi-permanent set of metal frames and poles that they cover over and use to hang their paintings etc.

As the thief pumped his arms and legs to try and increase his speed (my mate was catching him up comfortably), he hooked his thumb into the arm of his specs accidentally and sent them flying.

Unfortunately, our hero would appear to have been blind as a bat. He carried on running for about 20 yards, but in his blinded state could not see that he was running headlong into a metal pole. With about 6 inches to go before impact, the guy realised he was about to spang himself in the face and tried to put the brakes on - too late. As he tried to perform the impossible and decelerate to a standstill in one step, his feet slipped from under him and - you guessed it - went one either side of the aforementioned pole. It left my mate with the easiest arrest of his career.

Apparently the audio tape had to be stopped several times during the interview because my mate and his partner were pissing themselves laughing throughout the questioning, and completely lost it when it came to describing the arrest itself - including the line 'can you confirm that your first words when being apprehended were 'Ooooh, fucking hell, me nuts, I think I've split my ball bag'?'
(Bappage, Fri 6 May 2011, 9:46, 3 replies)

ha ha your description of the event was perfect, could picture the 'physics' in action there :D
A proper ball spanging.
( The magic of chutney Shakes it like an Instagram filter!, Fri 6 May 2011, 10:08, closed)

^^^^
click
(sarcastic fringehead feet of clay, buns of steel, head of lettuce, Fri 6 May 2011, 11:06, closed)

That's fucking magnificent, that is!
*click*
( Agnostic Antichrist Baltimora, Wed 11 May 2011, 13:35, closed)