Venezuela border tensions turn violent amid aid distribution bid

Ureña (Venezuela) (AFP) - A high-risk opposition campaign to deliver humanitarian aid into Venezuela descended into chaos Saturday after President Nicolas Maduro's security forces fired on demonstrators and aid trucks were set ablaze as his blockade held firm.Two people, including a 14-year-old boy, were killed in clashes with security forces on the Brazil-Venezuela border amid efforts to bring in aid there, a human rights group said.Opposition leader Juan Guaido had set a Saturday deadli