Violent clashes have broken out in Germany between the supporters and opponents of the neo-Nazi movement. Hamburg police have detained over 700 people after the demonstrators started throwing projectiles, injuring several officers. A group of anti-Nazi demonstrators have clashed with far-right activists marching in the city's Wandsbek district. The leftists erected barricades of trash bins and set them ablaze to stop their rivals from passing. After the police used water cannons to extinguish the flames, protesters attacked officers and the far-right demonstrators with pyrotechnics, bottles and stones. At least eight officers have been injured by the projectiles, thelocal.de reports. The police put around 700 demonstrators into custody.