LA PAZ, Bolivia (AP) — Anti-government roadblocks that have isolated Bolivia’s capital La Paz and other major cities were still being cleared Sunday, a day after President Rodrigo Paz declared a state of emergency that was later overwhelmingly ratified by parliament. Also Sunday, six people, including Bolivian Air Force officers, were killed in the crash of a light aircraft that had been conducting aerial patrols over a blockaded highway. The aircraft had been monitoring sections of the highway