During an international poker tournament in Berlin, some armed robbers burst into the room, and panic erupted.Armed with Kalashnikovs and hand grenades, six masked robbers stormed the Grand Hyatt hotel in the central Potsdamer Platz, aiming the weapons players, judges, hostesses and security personnel and have taken the full amount of bets from the tables, running away with 800,000 euros. Some players were slightly injured.