Update 8.57pm: Several people have been wounded in a shooting at a mosque frequented largely by Somali immigrants in Switzerland's largest city, and the suspect remains at large, Zurich police said.

Film director Roman Polanski was arrested on a 1978 US arrest warrant for having sex with a 13-year-old girl, Swiss police confirmed today.

Swiss police stumbled across a gigantic marijuana plantation while using the Google Earth internet search, it has been revealed.

Five English football fans have been seriously injured following violent clashes in Zurich.