merseyside police
Knife Possession Offences committed by women and girls in England have risen by at least 10% every year since 2014.
The boy was attacked by a gang wielding a hammer, boxcutter and machete in Newsham Park on Friday.
The pet's owner was also injured in the attack.
"We need people to realise how severe the situation is for trans people," Stonewall said.
Two men in their 30s were left with significant injuries.
Offenders aged between 12 and 15 left one victim with serious injuries.
Merseyside Police are yet to establish the man's identity.
“The White Race is responsible for all that which we call progress on this earth.”
The victim was piloting a paramotor, or powered paraglider.
A 16-year-old boy was arrested on suspicion of affray.