Police are searching for a dog owner whose pet was filmed chasing and killing a deer in London's Richmond Park.The dog, that appears to be a spaniel-type breed, can be seen chasing a lone deer through trees and across a road in a shortened clip posted online by Met officers who patrol the Royal Parks.They are appealing for information to trace the owner after the attack, which took place at around 12.30pm on Monday at Sheen Cross.

Police are searching for a dog owner whose pet was filmed chasing and killing a deer in London's Richmond Park.The dog, that appears to be a spaniel-type breed, can be seen chasing a lone deer through trees and across a road in a shortened clip posted online by Met officers who patrol the Royal Parks.They are appealing for information to trace the owner after the attack, which took place at around 12.30pm on Monday at Sheen Cross.