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 fire officer has told an inquiry he "felt ashamed to be a firefighter" after being held back from responding to the Manchester Arena bombing.

Manchester Arena attack: Firefighters 'felt shame' at being held back