* Arsenal taste rare home defeat * Schalke move top of group * Huntelaar and Afellay on target (Adds detail, quotes) LONDON, Oct 24 (Reuters) - Schalke 04 became the first non-English team to win a European game at Arsenal in nine years as Klaas-Jan Huntelaar and Ibrahim Afellay clinched a 2-0 victory to put the Germans top of Champions League Group B on Wednesday. ... More...