In Middlesbrough, a teenager remains critically ill in hospital after being injured while sledging.
The East of England Ambulance Service has advised people to take care when sledging.
"There's a fair bit of sledging that goes on during a match between us, " Williams said.
In Middlesbrough, a teenager remains in a critical but stable condition in hospital after being injured while sledging.
Sledging - basically swearing at each other - developed in the 1970s and most will accept that the Australian's started it.
We have seen some injuries from sledging and those have often involved head injuries from collisions with people, trees, fences and lampposts.
Steve Waugh, the former Australian Captain, used to talk openly about planning the "mental disintegration" of his opponents, a practice known as sledging.
The International Cricket Council (ICC) has been deluged in recent times by criticism that the spirit of cricket is being ruined by gamesmanship and sledging.
Here are preserved clothing, equipment, bedding and foodstuffs, all arranged on the shelves as though the original occupants have just popped out for a spot of sledging or a quick constitutional.
Effective sledging seeks to undermine confidence, says Dr Cox.
And Australia legend Shane Warne ridiculed Collingwood in Sydney on Wednesday during a sledging incident on day three of the final Test, sparking renewed debate about the decision to honour the players.
BBC: Vaughan was awarded an OBE for his part in the 2005 Ashes
Ricky Ponting's Australian cricket team struggled in the popularity stakes because it was deemed to have taken on-field aggression and sledging too far, most notably during the controversial "Bollyline series" with India in 2008.
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