Further clashes in Venezuela after deadly unrest

Venezuelan riot police fired tear gas and rubber bullets for a second day Thursday to break up protests by President Nicolas Maduro's opponents, further inflaming tensions after Wednesday's deadly unrest.The clashes erupted as police in the beleaguered oil-rich nation tried to break up thousands of marchers as they reached a vital Caracas freeway, edging back slightly as masked protesters pelted them with stones and Molotov cocktails.Demonstrators vowed not to flinch in their campaign to oust Ma