Migrant surge in US sparks anguish in Democratic cities

Hundreds of migrants congregate by the huge wall marking the US-Mexico border in southern California, a tiny glimpse of the crisis unfolding in American cities as new arrivals strain resources to breaking point.A huge influx of arrivals this year — US media report a record 2.4 million migrant encounters at the southern border over the last 12 months — is testing the traditional Democratic stance of welcoming even those who come into the country without permission.