German police, protesters clash in Cologne - CNN.com

Berlin (CNN)German protesters angry about the New Year's Eve mob sex attacks and muggings in Cologne, Germany, clashed with police on Saturday.

Police responded with tear gas and water cannons after right-wing groups threw beer bottles at officers in riot gear. Police drove them away and many protesters ended up boarding trains and leaving. No injuries were reported.

Many of the protesters were angry at police reponse to the attacks as well as the influx of migrants and refugees into Europe.