Russia's Wagner Group mercenaries have sent a "bloodied" sledgehammer in a violin case to the European Parliament after members started proceedings to label them as terrorists. Sledgehammers have become an unofficial symbol of the Kremlin-linked group because its fighters have used them to kill during overseas missions. In a video posted on one of its Telegram channels, a suited lawyer working for Wagner Group carries a violin case into a bare room and places it on a table. He lifts the lid of the violin case, showing off a highly polished sledgehammer. The head has been engraved with Wagner's logo...