Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A teenage boy who was arrested after a dog walker was struck by a car and her pet killed in a hit-and-run crash has been released pending further investigations.

Teenager released over Great Barr dog walker car crash