(Seattle, WA) -- Police say five officers were injured and nine protesters were arrested, during an anti-capitalist march through Seattle. Yesterday's march followed a peaceful demonstration in support of rights for immigrants and workers. Authorities say some of the anti-capitalist protesters threw objects at police, including rocks and Molotov cocktails. Police responded by deploying pepper spray. The march started at Westlake Center and ended at the Costco in Sodo.