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: An argument over a Koran that erupted at a shelter in central Germany has led to violence in which 11 refugees and six police were injured.

Germany refugee riot over torn Koran leaves 17 hurt