the gunman been shot the woman in the head. she is among self people who have reportedly died since the protests first broke out a week ago. >> just last night demonstrators fight with police in the capital of caracas. amid all this turmoil, the nation could have ripple effects. venezuela witch -- rich with oil and under social rule, and boring on dictatorship. phil keeting is in our nest room. a huge challenge for the president. >> enormous. the past. days of violence are the strongest and most serious political challenge we have seen in venezuela since hugo chavez.