<p>EL CAJON, Calif. — A van carrying illegal immigrants and driving the wrong way with its headlights off crashed into a sports utility vehicle, killing at least six people and injuring more than 20, authorities said.</p>
<p>The accident was reported at about 9 p.m. PDT Monday on Interstate 8 in the El Cajon area, about 50 miles east of San Diego, the California Highway Patrol reported.</p>