The RSPCA say that in 2012 alone inspectors were assaulted or threatened 246 times. The new ‘everyday heroes’ campaign hopes to highlight this growing problem and help both animals and those trying to protect them from suffering violence.
RSPCA figures from last year also showed that air rifle injuries on animals had increased by almost 40 per cent to almost 800 attacks reported to the charity in 2012.
The horrific attacks include several cats shot in the face and whose eyes had to be removed and others who did not survive after being shot.
Read more: Lamb has ears cut off in Notts
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They will be joined by Duke Dumont and Disciples at this year's festival in Staffordshire.
There is no evidence the Westminster attacker Khalid Masood was associated with so-called Islamic State or al Qaeda, the Met Police said.
A cloudier start, but turning dry, sunny and warm.