ASYLUM-SEEKERS FACE ANXIOUS WAIT AT BORDER

More Central American migrants trying to make way north

From a distance, United States border patrol vehicles can be seen stopping along or inspecting the San Ysidro port of entry, the country's busiest land border crossing, which connects the San Diego area in the US and Tijuana in Mexico.

On the southern side of a corrugated metal fence is the same dusty landscape studded with cactuses that can also be found to the north. Razor wire lies on the ground, gleaming in the warm April sun.