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: Saudi Arabia "seriously curtailed and undermined" Turkey's ability to investigate the murder of Jamal Khashoggi, a UN expert has said.

Saudi Arabia 'curtailed' Jamal Khashoggi murder probe - UN expert