Immigrant caravan turned back by US officials at Mexican border faces a tough asylum fight

For the scores of immigrants who arrived at the US border in a caravan denounced by Donald Trump, an arduous journey north has shifted into an odyssey through America’s asylum system.More than 100 Central American immigrants arrived at the San Ysidro border crossing to seek safe haven from violence in their home countries, organisers said, pointing to post-election chaos in Honduras in particular.A US Customs and Border Patrol official did not respond to a request to confirm how many of th