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 91-year-old woman has been arrested in connection with the death of a three-year-old boy knocked down and killed in Edinburgh.

Xander Irvine: Pensioner arrested over fatal crash