Venezuela election: Opposition duo die at poll rally

Two opposition politicians have been shot dead during a campaign rally in Venezuela's Barinas state, a week before the country's presidential election.

Geison Valero belonged to the opposition party First Justice and Omar Fernandez was an independent.

Violent crime is a key concern for voters in what has become Venezuela's closest fought election in over a decade, as the BBC's Sarah Grainger in Caracas reports.