Iran's World Cup squad is expected to arrive in Mexico early Sunday under the shadow of a bitter diplomatic row between Tehran and Washington, after the United States refused to issue visas for some team support staff.

Police clashed with anti-government protesters Saturday in eastern Bolivia, with gunfire reportedly wounding four officers, as authorities attempted to clear a road blocked by rural workers demanding President Rodrigo Paz's resignation. A month of heated demonstrations calling for the center-right Paz to step down have paralyzed the Andean nation, with about 100 protest blockades around Bolivia causing severe food and medicine shortages in major cities.

Peruvians will choose on Sunday their ninth president in 10 years, in a tight runoff election between conservative Keiko Fujimori and leftist Roberto Sanchez who are trying to woo voters fed up with political chaos and rising crime. Fujimori, daughter of former autocratic president Alberto Fujimori, is making her fourth bid for the presidency.

Polls open for the final round of Peru's presidential elections on Sunday, with voters set to choose the country's ninth leader in 10 years. Following a first-round vote marred by logistical problems and fraud allegations, voters will choose between conservative Keiko Fujimori and leftist Roberto Sanchez.