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: The head of Russia's GRU military intelligence agency, General Igor Korobov, has died aged 62, Russia's defence ministry says.

Head of Russian Skripal-linked GRU spy agency dies