BERLIN – Polish authorities have arrested an alleged Mossad spy from Israel wanted in connection with the slaying of a Hamas agent in Dubai, the German federal prosecutor's office said Saturday. A man using the name of Uri Brodsky is suspected of working for a foreign spy agency in Germany and helping issue a fake German passport to a member of the Mossad hit squad allegedly behind the killing of Mahmoud al-Mabhouh in January, the German spokesman told The Associated Press.