Violence Grips Ukraine's Third Largest City Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Pro-Russian militants, who were arrested during a Ukrainian unity rally on May 2, react after being freed by police, following the storming of a police station in Odessa. May 4, 2014 ( ANATOLII STEPANOV/AFP / Getty ) Produced by PRI and WNYC