Although illegal crossings along the southwest border have fallen to their lowest levels in decades the U.S. Coast Guard is still increasing its presence alongside Border Patrol.

A boat loaded with 20 migrants from Mexico and China was intercepted on the high seas while trying to make it to the California shoreline, the US Coast Guard said in a release. The 30-foot “panga-style” boat was about 21 miles off the coast of Point Loma near San Diego when it was spotted around 4 p.