March 18 (Reuters) - Russian President Vladimir Putin arrived in Crimea on Saturday on an unannounced visit to mark the ninth anniversary of Russia's annexation of the peninsula from Ukraine. State media did not immediately broadcast any remarks from Putin, a day after the International Criminal Court said it had issued an arrest warrant against him and accused him of the war crime of illegally deporting hundreds of children from Ukraine. State media did not immediately broadcast any remarks from Putin, a day after the International Criminal Court said it had issued an arrest warrant against him and accused him of the war crime of illegally deporting hundreds of children from Ukraine