About 3,000 people camped at Keleti station in Hungarian capital watched over by police as volunteers provide food and clothingThousands of refugees and migrants remained stranded at Budapest’s main international railway station as Hungarian authorities stuck to European Union rules and prevented them from leaving for Germany and other countries in western Europe.About 3,000 people were camped at the Keleti station in the Hungarian capital early on Wednesday, many sleeping outside the main entrance guarded by police, who said citizen patrols were assisting them in keeping order.