Image copyright Getty Images

Police have increased a reward for information leading to the culprit who shot at least two deer with arrows in the US state of Oregon.

Police say the deer are "able to feed and walk around" and have not suffered life-threatening injuries despite one deer having an arrow through its head.

Wildlife officials are searching for the animals to remove the arrows.

On Sunday a reward for the suspect's arrest climbed to $2,000 (£1,450) after a local hunting group got involved.

Warning: Images below are graphic.

Oregon State Police say they received a tip on Friday that "there might actually be a third deer with an arrow stuck in it".

Images shared by officials showed an arrow stuck through a deer's head and another deer with an arrow protruding from its body.

Image copyright Oregon State Police Image caption Police are looking for the suspect responsible for the wounds and the deer

Image copyright Oregon State Police

The initial reward being offered through the state's anti-poaching programme had been $500 for information involving cases of "illegal possession, killing, taking, and/or waste" of certain animals.

A hunting group in the Shady Cove area, about 300 miles (480km) south of Portland, contributed another $1,500 on Sunday.

Oregon State Police spokesman Kaito Raiser told the Oregonian newspaper that responding officials were unable to capture the deer and tranquilise them to remove the arrows.

Image copyright Oregon State Police

He added that the arrows are not the types used by hunters.

Police ask anyone with any information about the suspect to call their anti-poaching tip line.

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