title: Merkel: Strong result for Austria's FPO 'big challenge' for other parties
text: BERLIN (Reuters) - German Chancellor Angela Merkel said on Monday that the strong showing of Austria s anti-immigrant Freedom Party (FPO) in Sunday s election was a  big challenge  for other parties. Speaking at a news conference in Berlin, Merkel added that she was hoping for close cooperation with Austria s conservative election winner Sebastian Kurz at the European level. 