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 man shot dead in Belfast was a suspect in the murder of a 17-year-old in the Republic of Ireland earlier this year, the BBC understands.

North Belfast: Murdered man was 'suspect in teen's killing'