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 top ally of German Chancellor Angela Merkel has warned that the EU risks becoming irrelevant if it fails to act against Russia over the poisoning of opposition politician Alexei Navalny.

Alexei Navalny: Germany urges EU action over Novichok poisoning