A mass protest in southern Moscow against lawlessness and domination of migrants turned violent on Sunday and ended with clashes with police and mass arrests on disorder offences.

      Local media say that up to 1,000 people, including residents, lawmakers, football fans and nationalist activists, gathered in southern Moscow to urge police to detain the suspect in a recent murder case, and to call for tighter migration law. Starting peacefully, the action then turned violent when a nearby shop and vegetable market were targeted – reportedly over the high numbers of migrant workers employed there. Groups of protestors forced their way into the shop, breaking glass and setting off smoke bombs. Moscow police reported of 380 people detained on disorder offences.

      The murder happened on Thursday night - early Friday morning, in a small district in southern Moscow. A 25-year-old man was fatally stabbed as he was returning home with his girlfriend, a statement on the Russian Investigative Committee website says. Reportedly, the man tried to defend his girlfriend from an unknown man who was insulting her.

      Local law enforcement agencies have circulated CCTV footage of a man they believe to be a suspect. Russian media have identified the alleged attacker as a migrant. The Moscow police chief has announced a reward of up to 1 million rubles (about $30,975) for identifying the suspect.